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i am getting this error message" firefox.exe entry point not found, the procedure entry point is ThreadDesktopComposited could not be located in the dynamic link library user32.dll" before Firefox opens up

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this is the only error message that comes up, then Firefox opens up

this is the only error message that comes up, then Firefox opens up

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This issue can be caused by a problem with the file c:\windows\system32\dwmapi.dll The file dwmapi.dll is a Vista file and should not be present in Windows XP.

http://support.microsoft.com/kb/969155 - On a Windows XP-based computer with Family Safety installed, you receive an error message: “The procedure entry point IsThreadDesktopComposited could not be located in the dynamic link library USER32.dll”