It Occurs :
1: Infected by Virus ( USE AVAST ANTIVIRUS
www.avast.com)
2: Files Corrupted
3: Missing Files
4: File's Read Only
5: Installed from Instead of CD its installed from .exe winrar
6: Using Modified Window's
7: if (Windows XP) with Service pack 3 (2007)
Solotion:
Install Windows Clear One of 2003 Year Service Pack 2 ( We call it SP 2) Don't install windows xp 2012 or 2015 etc ... just 2003 cuz after 2007 there is no Update for windows xp ..Lastest is Windows XP Service Pack 3 2007 ( MUST INSTALL SP2 windows XP .not SP3)
Reinstall GTA WITH FULL DVD >_> ( Costy Rolf)
Done
May be it will help