garrysmod.org Error

Forgive if not there has created…

I try to fill in on garrysmod.org zip a file, and he writes to me that it not zip a file… Here an error…

File wasn’t a zip file! (application/x-zip) (Desktop.zip)
Zip File Function error: Can’t open file
C:\Windows\Temp\php40AA.tmp

God how hard it is to read the sticky.