Pes 2008 Is Not Installed: |link|

Many users today copy their old "My Documents/KONAMI" folder or a friend’s installed folder to avoid using the CD. While PES 2008 will run from a copied folder, the Registry keys are never created. Patches will fail instantly.

[HKEY_LOCAL_MACHINE\SOFTWARE\KONAMIPES2008] "installdir"="C:\Program Files (x86)\KONAMI\Pro Evolution Soccer 2008" "installfrom"="C:\Program Files (x86)\KONAMI\Pro Evolution Soccer 2008" pes 2008 is not installed