Changing the attributes for a hidden system file programmatically

**Nishant Sivakumar** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

You may have to remove the system-file attribute before being able to remove
the regular attributes like hidden and readonly.

--
Regards,
Nish [VC++ MVP]

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[color=blue]
> Hi,
>
>
>
> I have a hidden system file that I need to read.
>
> I am logged in as an administrator.
>
> I can not change the file attributes using the windows explorer.
>
> I can view the file's content.
>
>
>
> Opening the file programmaticall y fails with access is denied.
>
> (If I copy the file I can access it, although it is also hidden.)
>
> Therefore I am trying to change the attributes of that file,
> programmaticall y, to normal.
>
> Getting the attributes succeeds and shows that the file is hidden and
> system.
>
> However when I try to set the file attribute to normal it fails and get
> last error produces the following string :
>
> Error 183 : Cannot create file when that file already exists.
>
>
>
> The MSDN states that for WinXP it is possible to change the attributes for
> hidden and system files.
>
> Do I need some special permissions ? Which ones ?
>
>
>
> I have logged off and logged in again, the behavior did not change.
>
>
>
> Any leads, anyone ?
>
>
>
> Thank you!
>
>
>
>[/color]

**William DePalo [MVP VC++ ]** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[color=blue]
> I have a hidden system file that I need to read.
>
> I am logged in as an administrator.[/color]

OK.
[color=blue]
> I can not change the file attributes using the windows explorer.
>
> I can view the file's content.[/color]

OK.
[color=blue]
> Opening the file programmaticall y fails with access is denied.[/color]

Important bits of information that you don't offer are the parameters to
CreateFile(). Are you specifying an access mode of GENERIC_READ and a share
mode of FILE_SHARE_READ ?
[color=blue]
> (If I copy the file I can access it, although it is also hidden.)
>
> Therefore I am trying to change the attributes of that file,
> programmaticall y, to normal.
>
> Getting the attributes succeeds and shows that the file is hidden and
> system.
>
> However when I try to set the file attribute to normal it fails and get
> last error produces the following string :
>
> Error 183 : Cannot create file when that file already exists.[/color]

Hmm. I think you'll need to post a _short_ snippet of code here that causes
the error if the previous suggestion does not work for you.

Regards,
Will

**Nishant Sivakumar** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

BTW I am talking about doing it via Explorer (which only allows you to set
readonly and hidden). You'll have to use attrib.exe to set the system
attribute.

--
Regards,
Nish [VC++ MVP]

"Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
news:%23jCsLXu6 FHA.3880@TK2MSF TNGP12.phx.gbl. ..[color=blue]
> You may have to remove the system-file attribute before being able to
> remove the regular attributes like hidden and readonly.
>
> --
> Regards,
> Nish [VC++ MVP]
>
>
> "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[color=green]
>> Hi,
>>
>>
>>
>> I have a hidden system file that I need to read.
>>
>> I am logged in as an administrator.
>>
>> I can not change the file attributes using the windows explorer.
>>
>> I can view the file's content.
>>
>>
>>
>> Opening the file programmaticall y fails with access is denied.
>>
>> (If I copy the file I can access it, although it is also hidden.)
>>
>> Therefore I am trying to change the attributes of that file,
>> programmaticall y, to normal.
>>
>> Getting the attributes succeeds and shows that the file is hidden and
>> system.
>>
>> However when I try to set the file attribute to normal it fails and get
>> last error produces the following string :
>>
>> Error 183 : Cannot create file when that file already exists.
>>
>>
>>
>> The MSDN states that for WinXP it is possible to change the attributes
>> for hidden and system files.
>>
>> Do I need some special permissions ? Which ones ?
>>
>>
>>
>> I have logged off and logged in again, the behavior did not change.
>>
>>
>>
>> Any leads, anyone ?
>>
>>
>>
>> Thank you!
>>
>>
>>
>>[/color]
>
>[/color]

**Gary Chanson** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[color=blue]
> Hi,
>
>
>
> I have a hidden system file that I need to read.
>
> I am logged in as an administrator.
>
> I can not change the file attributes using the windows explorer.
>
> I can view the file's content.
>
>
>
> Opening the file programmaticall y fails with access is denied.
>
> (If I copy the file I can access it, although it is also hidden.)
>
> Therefore I am trying to change the attributes of that file,
> programmaticall y, to normal.
>
> Getting the attributes succeeds and shows that the file is hidden and
> system.
>
> However when I try to set the file attribute to normal it fails and get
> last error produces the following string :
>
> Error 183 : Cannot create file when that file already exists.
>
>
>
> The MSDN states that for WinXP it is possible to change the attributes
> for hidden and system files.
>
> Do I need some special permissions ? Which ones ?
>
>
>
> I have logged off and logged in again, the behavior did not change.[/color]

I think your real problem is that the file is in use by another program.

--
-GJC [MS Windows SDK MVP]
-Software Consultant (Embedded systems and Real Time Controls)
- http://www.mvps.org/ArcaneIncantations/consulting.htm
-gchanson@mvps.o rg

**Alexandra** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

I am trying to open the file in write and read mode.
This the code :

DWORD attrs = GetFileAttribut es((LPCSTR)path );
attrs = FILE_ATTRIBUTE_ NORMAL;
if(SetFileAttri butes((LPCSTR)p ath,attrs))
LogMessage("Set to FILE_ATTRIBUTE_ NORMAL");

CFileException e;
int res = file.Open(sPath + DBFileNewLocati on,CFile::modeR eadWrite,&e);

"William DePalo [MVP VC++ ]" <willd.no.spam@ mvps.org> wrote in message
news:OI1XQYu6FH A.3876@TK2MSFTN GP09.phx.gbl:
[color=blue]
> "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...
>[color=green]
> > I have a hidden system file that I need to read.
> >
> > I am logged in as an administrator.[/color]
>
>
> OK.
>
>[color=green]
> > I can not change the file attributes using the windows explorer.
> >
> > I can view the file's content.[/color]
>
>
> OK.
>
>[color=green]
> > Opening the file programmaticall y fails with access is denied.[/color]
>
>
> Important bits of information that you don't offer are the parameters to
> CreateFile(). Are you specifying an access mode of GENERIC_READ and a share
> mode of FILE_SHARE_READ ?
>
>[color=green]
> > (If I copy the file I can access it, although it is also hidden.)
> >
> > Therefore I am trying to change the attributes of that file,
> > programmaticall y, to normal.
> >
> > Getting the attributes succeeds and shows that the file is hidden and
> > system.
> >
> > However when I try to set the file attribute to normal it fails and get
> > last error produces the following string :
> >
> > Error 183 : Cannot create file when that file already exists.[/color]
>
>
> Hmm. I think you'll need to post a _short_ snippet of code here that causes
> the error if the previous suggestion does not work for you.
>
> Regards,
> Will[/color]

**Alexandra** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

I have the same feeling.
This file is used by a service which is logged in as a system account.
However I have stopped the service, disabled it actually, logged out and
logged in again.
The service is disabled, stopped, I have checked.

If I copy this file I can open the copy of that file...

How can I find out if any other program is using that file ?
Any suggestions you might have would be greatly appreciated...

Thanks!!!

"Gary Chanson" <gjchanson@_NO_ SPAM_comcast.ne t> wrote in message
news:O057heu6FH A.1416@TK2MSFTN GP09.phx.gbl:
[color=blue]
> "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...
>[color=green]
> > Hi,
> >
> >
> >
> > I have a hidden system file that I need to read.
> >
> > I am logged in as an administrator.
> >
> > I can not change the file attributes using the windows explorer.
> >
> > I can view the file's content.
> >
> >
> >
> > Opening the file programmaticall y fails with access is denied.
> >
> > (If I copy the file I can access it, although it is also hidden.)
> >
> > Therefore I am trying to change the attributes of that file,
> > programmaticall y, to normal.
> >
> > Getting the attributes succeeds and shows that the file is hidden and
> > system.
> >
> > However when I try to set the file attribute to normal it fails and get
> > last error produces the following string :
> >
> > Error 183 : Cannot create file when that file already exists.
> >
> >
> >
> > The MSDN states that for WinXP it is possible to change the attributes
> > for hidden and system files.
> >
> > Do I need some special permissions ? Which ones ?
> >
> >
> >
> > I have logged off and logged in again, the behavior did not change.[/color]
>
>
> I think your real problem is that the file is in use by another program.
>
> --
> -GJC [MS Windows SDK MVP]
> -Software Consultant (Embedded systems and Real Time Controls)
> - http://www.mvps.org/ArcaneIncantations/consulting.htm
> -gchanson@mvps.o rg[/color]

**CheckAbdoul** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

Use the process explorer tool from www.sysinternals.com to find out the
process that is using the file.

--
Cheers
Check Abdoul
-----------------

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uzU4Fpu6FH A.808@TK2MSFTNG P09.phx.gbl...[color=blue]
> I have the same feeling.
> This file is used by a service which is logged in as a system account.
> However I have stopped the service, disabled it actually, logged out and
> logged in again.
> The service is disabled, stopped, I have checked.
>
> If I copy this file I can open the copy of that file...
>
> How can I find out if any other program is using that file ?
> Any suggestions you might have would be greatly appreciated...
>
> Thanks!!!
>
> "Gary Chanson" <gjchanson@_NO_ SPAM_comcast.ne t> wrote in message
> news:O057heu6FH A.1416@TK2MSFTN GP09.phx.gbl:
>[color=green]
> > "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> > news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...
> >[color=darkred]
> > > Hi,
> > >
> > >
> > >
> > > I have a hidden system file that I need to read.
> > >
> > > I am logged in as an administrator.
> > >
> > > I can not change the file attributes using the windows explorer.
> > >
> > > I can view the file's content.
> > >
> > >
> > >
> > > Opening the file programmaticall y fails with access is denied.
> > >
> > > (If I copy the file I can access it, although it is also hidden.)
> > >
> > > Therefore I am trying to change the attributes of that file,
> > > programmaticall y, to normal.
> > >
> > > Getting the attributes succeeds and shows that the file is hidden and
> > > system.
> > >
> > > However when I try to set the file attribute to normal it fails and[/color][/color][/color]
get[color=blue][color=green][color=darkred]
> > > last error produces the following string :
> > >
> > > Error 183 : Cannot create file when that file already exists.
> > >
> > >
> > >
> > > The MSDN states that for WinXP it is possible to change the attributes
> > > for hidden and system files.
> > >
> > > Do I need some special permissions ? Which ones ?
> > >
> > >
> > >
> > > I have logged off and logged in again, the behavior did not change.[/color]
> >
> >
> > I think your real problem is that the file is in use by another program.
> >
> > --
> > -GJC [MS Windows SDK MVP]
> > -Software Consultant (Embedded systems and Real Time Controls)
> > - http://www.mvps.org/ArcaneIncantations/consulting.htm
> > -gchanson@mvps.o rg[/color]
>[/color]

**Alexandra** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

Just tried the attrib.exe.
Same problem.
Access denied.

How can I find out what is preventing me from accessing that file ???

"Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
news:uuc#hau6FH A.3804@TK2MSFTN GP14.phx.gbl:
[color=blue]
> BTW I am talking about doing it via Explorer (which only allows you to set
> readonly and hidden). You'll have to use attrib.exe to set the system
> attribute.
>
> --
> Regards,
> Nish [VC++ MVP]
>
>
> "Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
> news:%23jCsLXu6 FHA.3880@TK2MSF TNGP12.phx.gbl. ..
>[color=green]
> > You may have to remove the system-file attribute before being able to
> > remove the regular attributes like hidden and readonly.
> >
> > --
> > Regards,
> > Nish [VC++ MVP]
> >
> >
> > "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> > news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[/color]
>[color=green][color=darkred]
> >> Hi,
> >>
> >>
> >>
> >> I have a hidden system file that I need to read.
> >>
> >> I am logged in as an administrator.
> >>
> >> I can not change the file attributes using the windows explorer.
> >>
> >> I can view the file's content.
> >>
> >>
> >>
> >> Opening the file programmaticall y fails with access is denied.
> >>
> >> (If I copy the file I can access it, although it is also hidden.)
> >>
> >> Therefore I am trying to change the attributes of that file,
> >> programmaticall y, to normal.
> >>
> >> Getting the attributes succeeds and shows that the file is hidden and
> >> system.
> >>
> >> However when I try to set the file attribute to normal it fails and get
> >> last error produces the following string :
> >>
> >> Error 183 : Cannot create file when that file already exists.
> >>
> >>
> >>
> >> The MSDN states that for WinXP it is possible to change the attributes
> >> for hidden and system files.
> >>
> >> Do I need some special permissions ? Which ones ?
> >>
> >>
> >>
> >> I have logged off and logged in again, the behavior did not change.
> >>
> >>
> >>
> >> Any leads, anyone ?
> >>
> >>
> >>
> >> Thank you!
> >>
> >>
> >>
> >>[/color]
> >[/color]
>[color=green]
> >[/color][/color]

**William DePalo [MVP VC++ ]** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uRz9mnu6FH A.3752@tk2msftn gp13.phx.gbl...[color=blue]
>I am trying to open the file in write and read mode.
> This the code :
>
> DWORD attrs = GetFileAttribut es((LPCSTR)path );
> attrs = FILE_ATTRIBUTE_ NORMAL;
> if(SetFileAttri butes((LPCSTR)p ath,attrs))
> LogMessage("Set to FILE_ATTRIBUTE_ NORMAL");
>
> CFileException e;
> int res = file.Open(sPath + DBFileNewLocati on,CFile::modeR eadWrite,&e);[/color]

Well, if understood your post correctly, you said that you were able to read
the file interactively. You never said that you were able to _write_
interactively but rather that you were copying the file data to a new
location.

If I have that right, I'd suggest that you change CFile::modeRead Write to
CFile::modeRead .

Regards,
Will

**Nishant Sivakumar** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

Looks like that file is in use.

--
Regards,
Nish [VC++ MVP]

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:OgPxfuu6FH A.476@TK2MSFTNG P15.phx.gbl...[color=blue]
> Just tried the attrib.exe.
> Same problem.
> Access denied.
>
> How can I find out what is preventing me from accessing that file ???
>
> "Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
> news:uuc#hau6FH A.3804@TK2MSFTN GP14.phx.gbl:
>[color=green]
>> BTW I am talking about doing it via Explorer (which only allows you to
>> set
>> readonly and hidden). You'll have to use attrib.exe to set the system
>> attribute.
>>
>> --
>> Regards,
>> Nish [VC++ MVP]
>>
>>
>> "Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
>> news:%23jCsLXu6 FHA.3880@TK2MSF TNGP12.phx.gbl. ..
>>[color=darkred]
>> > You may have to remove the system-file attribute before being able to
>> > remove the regular attributes like hidden and readonly.
>> >
>> > --
>> > Regards,
>> > Nish [VC++ MVP]
>> >
>> >
>> > "Alexandra" <alexandra.lev@ gmail.com> wrote in message
>> > news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[/color]
>>[color=darkred]
>> >> Hi,
>> >>
>> >>
>> >>
>> >> I have a hidden system file that I need to read.
>> >>
>> >> I am logged in as an administrator.
>> >>
>> >> I can not change the file attributes using the windows explorer.
>> >>
>> >> I can view the file's content.
>> >>
>> >>
>> >>
>> >> Opening the file programmaticall y fails with access is denied.
>> >>
>> >> (If I copy the file I can access it, although it is also hidden.)
>> >>
>> >> Therefore I am trying to change the attributes of that file,
>> >> programmaticall y, to normal.
>> >>
>> >> Getting the attributes succeeds and shows that the file is hidden and
>> >> system.
>> >>
>> >> However when I try to set the file attribute to normal it fails and
>> >> get
>> >> last error produces the following string :
>> >>
>> >> Error 183 : Cannot create file when that file already exists.
>> >>
>> >>
>> >>
>> >> The MSDN states that for WinXP it is possible to change the attributes
>> >> for hidden and system files.
>> >>
>> >> Do I need some special permissions ? Which ones ?
>> >>
>> >>
>> >>
>> >> I have logged off and logged in again, the behavior did not change.
>> >>
>> >>
>> >>
>> >> Any leads, anyone ?
>> >>
>> >>
>> >>
>> >> Thank you!
>> >>
>> >>
>> >>
>> >>
>> >[/color]
>>[color=darkred]
>> >[/color][/color]
>[/color]

**Alexandra** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

According to this tool no process has the handle to my file...

What else can it be ?

"CheckAbdou l" <checkabdoul at mvps dot org> wrote in message
news:#91ogru6FH A.632@TK2MSFTNG P10.phx.gbl:
[color=blue]
> Use the process explorer tool from www.sysinternals.com to find out the
> process that is using the file.
>
> --
> Cheers
> Check Abdoul
> -----------------
>
> "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> news:uzU4Fpu6FH A.808@TK2MSFTNG P09.phx.gbl...
>[color=green]
> > I have the same feeling.
> > This file is used by a service which is logged in as a system account.
> > However I have stopped the service, disabled it actually, logged out and
> > logged in again.
> > The service is disabled, stopped, I have checked.
> >
> > If I copy this file I can open the copy of that file...
> >
> > How can I find out if any other program is using that file ?
> > Any suggestions you might have would be greatly appreciated...
> >
> > Thanks!!!
> >
> > "Gary Chanson" <gjchanson@_NO_ SPAM_comcast.ne t> wrote in message
> > news:O057heu6FH A.1416@TK2MSFTN GP09.phx.gbl:
> >[/color]
>[color=green][color=darkred]
> > > "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> > > news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...
> > >[/color][/color]
>[color=green][color=darkred]
> > > > Hi,
> > > >
> > > >
> > > >
> > > > I have a hidden system file that I need to read.
> > > >
> > > > I am logged in as an administrator.
> > > >
> > > > I can not change the file attributes using the windows explorer.
> > > >
> > > > I can view the file's content.
> > > >
> > > >
> > > >
> > > > Opening the file programmaticall y fails with access is denied.
> > > >
> > > > (If I copy the file I can access it, although it is also hidden.)
> > > >
> > > > Therefore I am trying to change the attributes of that file,
> > > > programmaticall y, to normal.
> > > >
> > > > Getting the attributes succeeds and shows that the file is hidden and
> > > > system.
> > > >
> > > > However when I try to set the file attribute to normal it fails and[/color][/color]
>
> get
>[color=green][color=darkred]
> > > > last error produces the following string :
> > > >
> > > > Error 183 : Cannot create file when that file already exists.
> > > >
> > > >
> > > >
> > > > The MSDN states that for WinXP it is possible to change the attributes
> > > > for hidden and system files.
> > > >
> > > > Do I need some special permissions ? Which ones ?
> > > >
> > > >
> > > >
> > > > I have logged off and logged in again, the behavior did not change.
> > >
> > >[/color][/color]
>[color=green][color=darkred]
> > > I think your real problem is that the file is in use by another program.
> > >
> > > --
> > > -GJC [MS Windows SDK MVP]
> > > -Software Consultant (Embedded systems and Real Time Controls)
> > > - http://www.mvps.org/ArcaneIncantations/consulting.htm
> > > -gchanson@mvps.o rg[/color][/color]
>[color=green]
> >[/color][/color]

**Alexandra** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

Just tried the process explorer tool from sysinternals and it does not
show that any process has a handle to my file...

"Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
news:#Q8o31u6FH A.3880@TK2MSFTN GP12.phx.gbl:
[color=blue]
> Looks like that file is in use.
>
> --
> Regards,
> Nish [VC++ MVP]
>
>
> "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> news:OgPxfuu6FH A.476@TK2MSFTNG P15.phx.gbl...
>[color=green]
> > Just tried the attrib.exe.
> > Same problem.
> > Access denied.
> >
> > How can I find out what is preventing me from accessing that file ???
> >
> > "Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
> > news:uuc#hau6FH A.3804@TK2MSFTN GP14.phx.gbl:
> >[/color]
>[color=green][color=darkred]
> >> BTW I am talking about doing it via Explorer (which only allows you to
> >> set
> >> readonly and hidden). You'll have to use attrib.exe to set the system
> >> attribute.
> >>
> >> --
> >> Regards,
> >> Nish [VC++ MVP]
> >>
> >>
> >> "Nishant Sivakumar" <nish@nospam.as ianetindia.com> wrote in message
> >> news:%23jCsLXu6 FHA.3880@TK2MSF TNGP12.phx.gbl. ..
> >>[/color][/color]
>[color=green][color=darkred]
> >> > You may have to remove the system-file attribute before being able to
> >> > remove the regular attributes like hidden and readonly.
> >> >
> >> > --
> >> > Regards,
> >> > Nish [VC++ MVP]
> >> >
> >> >
> >> > "Alexandra" <alexandra.lev@ gmail.com> wrote in message
> >> > news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...
> >>[/color][/color]
>[color=green][color=darkred]
> >> >> Hi,
> >> >>
> >> >>
> >> >>
> >> >> I have a hidden system file that I need to read.
> >> >>
> >> >> I am logged in as an administrator.
> >> >>
> >> >> I can not change the file attributes using the windows explorer.
> >> >>
> >> >> I can view the file's content.
> >> >>
> >> >>
> >> >>
> >> >> Opening the file programmaticall y fails with access is denied.
> >> >>
> >> >> (If I copy the file I can access it, although it is also hidden.)
> >> >>
> >> >> Therefore I am trying to change the attributes of that file,
> >> >> programmaticall y, to normal.
> >> >>
> >> >> Getting the attributes succeeds and shows that the file is hidden and
> >> >> system.
> >> >>
> >> >> However when I try to set the file attribute to normal it fails and
> >> >> get
> >> >> last error produces the following string :
> >> >>
> >> >> Error 183 : Cannot create file when that file already exists.
> >> >>
> >> >>
> >> >>
> >> >> The MSDN states that for WinXP it is possible to change the attributes
> >> >> for hidden and system files.
> >> >>
> >> >> Do I need some special permissions ? Which ones ?
> >> >>
> >> >>
> >> >>
> >> >> I have logged off and logged in again, the behavior did not change.
> >> >>
> >> >>
> >> >>
> >> >> Any leads, anyone ?
> >> >>
> >> >>
> >> >>
> >> >> Thank you!
> >> >>
> >> >>
> >> >>
> >> >>
> >> >
> >>
> >> >[/color][/color]
>[color=green]
> >[/color][/color]

**Max** · Nov 17 '05, 05:51 PM

Re: Changing the attributes for a hidden system file programmaticall y

Check what permissions do you have on this file and who is the owner of the
file.

Even if you are using an administrator account you might not have necessary
permissions on certain files.

Good Luck,
Max

"Alexandra" <alexandra.lev@ gmail.com> wrote in message
news:uwmBkDu6FH A.3232@TK2MSFTN GP15.phx.gbl...[color=blue]
> Hi,
>
>
>
> I have a hidden system file that I need to read.
>
> I am logged in as an administrator.
>
> I can not change the file attributes using the windows explorer.
>
> I can view the file's content.
>
>
>
> Opening the file programmaticall y fails with access is denied.
>
> (If I copy the file I can access it, although it is also hidden.)
>
> Therefore I am trying to change the attributes of that file,
> programmaticall y, to normal.
>
> Getting the attributes succeeds and shows that the file is hidden and
> system.
>
> However when I try to set the file attribute to normal it fails and get
> last error produces the following string :
>
> Error 183 : Cannot create file when that file already exists.
>
>
>
> The MSDN states that for WinXP it is possible to change the attributes for
> hidden and system files.
>
> Do I need some special permissions ? Which ones ?
>
>
>
> I have logged off and logged in again, the behavior did not change.
>
>
>
> Any leads, anyone ?
>
>
>
> Thank you!
>
>
>
>[/color]

Changing the attributes for a hidden system file programmatically

Changing the attributes for a hidden system file programmatically

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