Error creating process. Reason=c:\windows\system32\advpack.dll

I couldn’t install programs through Windows Installer at times in the past. One of my customers had the same problem when installing Office 2003 SR1, and I found the solution in a newsgroup. Someone recommended changing the path of the TEMP variable from the default…

C:\Document And Setting\UserName\Local Settings\Temp

to

C:\Temp

I deleted the user variables “TEMP” and “TMP,” and I set the TEMP path in the System variables to “C:\TEMP.” Next, I configured the permissions for the folder. I disabled ACL inheritance from the parent folder, and for the folder I set…

Everyone / Full Controll

This solved my problem