Warning: exec() [function.exec]: Unable to fork

Everyting installs ok i am able to finish the setup wizzard. but now i run in to trouble with the graphic program that is used to manipulate the pictures e.d. this is the message i got;

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\giftopnm.exe" "--version" 2> "C:\temp\tmp\g2d13A.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\ppmtogif.exe" "--version" 2> "C:\temp\tmp\g2d13B.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\jpegtopnm.exe" "--version" 2> "C:\temp\tmp\g2d13C.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\pnmtojpeg.exe" "--version" 2> "C:\temp\tmp\g2d13D.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\pngtopnm.exe" "--version" 2> "C:\temp\tmp\g2d13E.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\pnmtopng.exe" "--version" 2> "C:\temp\tmp\g2d13F.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\tifftopnm.exe" "--version" 2> "C:\temp\tmp\g2d140.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\pnmtotiff.exe" "--version" 2> "C:\temp\tmp\g2d141.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\bmptopnm.exe" "--version" 2> "C:\temp\tmp\g2d142.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\ppmtobmp.exe" "--version" 2> "C:\temp\tmp\g2d143.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

Warning: exec() [function.exec]: Unable to fork [cmd /c " "C:\GnuWin32\bin\pnmcomp.exe" "--version" 2> "C:\temp\tmp\g2d144.tmp" "] in C:\Inetpub\wwwroot\gallery\modules\core\classes\GalleryPlatform\WinNtPlatform.class on line 106

if i open the Debug output and that goes as follows;

is_dir(C:\GnuWin32\bin\)
file_exists(C:\GnuWin32\bin\giftopnm.exe)
Executing: cmd /c " "C:\GnuWin32\bin\giftopnm.exe" "--version" 2>
"C:\temp\tmp\g2d13A.tmp" "
file_exists(C:\temp\tmp\g2d13A.tmp)
filesize(C:\temp\tmp\g2d13A.tmp)
unlink(C:\temp\tmp\g2d13A.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\ppmtogif.exe)
Executing: cmd /c " "C:\GnuWin32\bin\ppmtogif.exe" "--version" 2>
"C:\temp\tmp\g2d13B.tmp" "
file_exists(C:\temp\tmp\g2d13B.tmp)
filesize(C:\temp\tmp\g2d13B.tmp)
unlink(C:\temp\tmp\g2d13B.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\jpegtopnm.exe)
Executing: cmd /c " "C:\GnuWin32\bin\jpegtopnm.exe" "--version" 2>
"C:\temp\tmp\g2d13C.tmp" "
file_exists(C:\temp\tmp\g2d13C.tmp)
filesize(C:\temp\tmp\g2d13C.tmp)
unlink(C:\temp\tmp\g2d13C.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\pnmtojpeg.exe)
Executing: cmd /c " "C:\GnuWin32\bin\pnmtojpeg.exe" "--version" 2>
"C:\temp\tmp\g2d13D.tmp" "
file_exists(C:\temp\tmp\g2d13D.tmp)
filesize(C:\temp\tmp\g2d13D.tmp)
unlink(C:\temp\tmp\g2d13D.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\pngtopnm.exe)
Executing: cmd /c " "C:\GnuWin32\bin\pngtopnm.exe" "--version" 2>
"C:\temp\tmp\g2d13E.tmp" "
file_exists(C:\temp\tmp\g2d13E.tmp)
filesize(C:\temp\tmp\g2d13E.tmp)
unlink(C:\temp\tmp\g2d13E.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\pnmtopng.exe)
Executing: cmd /c " "C:\GnuWin32\bin\pnmtopng.exe" "--version" 2>
"C:\temp\tmp\g2d13F.tmp" "
file_exists(C:\temp\tmp\g2d13F.tmp)
filesize(C:\temp\tmp\g2d13F.tmp)
unlink(C:\temp\tmp\g2d13F.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\tifftopnm.exe)
Executing: cmd /c " "C:\GnuWin32\bin\tifftopnm.exe" "--version" 2>
"C:\temp\tmp\g2d140.tmp" "
file_exists(C:\temp\tmp\g2d140.tmp)
filesize(C:\temp\tmp\g2d140.tmp)
unlink(C:\temp\tmp\g2d140.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\pnmtotiff.exe)
Executing: cmd /c " "C:\GnuWin32\bin\pnmtotiff.exe" "--version" 2>
"C:\temp\tmp\g2d141.tmp" "
file_exists(C:\temp\tmp\g2d141.tmp)
filesize(C:\temp\tmp\g2d141.tmp)
unlink(C:\temp\tmp\g2d141.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\bmptopnm.exe)
Executing: cmd /c " "C:\GnuWin32\bin\bmptopnm.exe" "--version" 2>
"C:\temp\tmp\g2d142.tmp" "
file_exists(C:\temp\tmp\g2d142.tmp)
filesize(C:\temp\tmp\g2d142.tmp)
unlink(C:\temp\tmp\g2d142.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\ppmtobmp.exe)
Executing: cmd /c " "C:\GnuWin32\bin\ppmtobmp.exe" "--version" 2>
"C:\temp\tmp\g2d143.tmp" "
file_exists(C:\temp\tmp\g2d143.tmp)
filesize(C:\temp\tmp\g2d143.tmp)
unlink(C:\temp\tmp\g2d143.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)
file_exists(C:\GnuWin32\bin\pnmcomp.exe)
Executing: cmd /c " "C:\GnuWin32\bin\pnmcomp.exe" "--version" 2>
"C:\temp\tmp\g2d144.tmp" "
file_exists(C:\temp\tmp\g2d144.tmp)
filesize(C:\temp\tmp\g2d144.tmp)
unlink(C:\temp\tmp\g2d144.tmp)
Regular Output:
Error Output:
Status: -1 (expected 0)

Maybe you can help me find the couse of this.
Tanx already

Eelco
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Gallery URL (www.arlen-consultancy.net/gallery):
Gallery version:2.0
Webserver (windows 2003 webeditioniis 60):
Datatabase (mysql 4.1.11-nt):
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phpinfo URL (optional):
Graphics (NetPBM and ImageMagic):
Operating system:windows 2003 webedition
Web browser/version:6.0 2900.2180.xpsp_sp2
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