[RazSofer]

Steps i did:
re-installed SA-MP & San Andreas,
also things with the compatibility (like - everithing)
installed the patcher
installed a No CD Crack
Downloaded GTA SA from Torrent
Formatted the computer
nothing helped.

[SaltySandy]

What's your OS?
If Windows 8, use ******. This has been answered a dozen of times.

[Aleya]

I'm not sure, but did you try running it in admin mode?
Do you have Xfire installed?