I have a decent PC and have always been able to run GTA:SA in top settings, full of HD and texture mods. Until recently I decided to attempt to mod every single car in the game. When I did that, I expierenced lag. So I uninstalled all my mods and put it to what I had before, just my SAPD pack, weapon pack and HD mod. I still got lag. I tried a bunch of random things and kept getting OPcode errors and game crashes.
I finally removed all my mods and created a clean copy of GTA:SA. and installed some of my essential mods I liked and CLEO (For StreamMemFix) No luck. I decided the next step was to isolate the problem which has worked in the past. I got my backed up and completely clean gta3.img and got rid of all the mods exept CLEO. I got no more OPcode errors but experienced extremely low FPS, I tried to lower my game settings, no luck (I lowered but didn't play with rising the resolution, no luck)
What I have tried:
Playing around with my mods, installing and uninstalling, then testing
Removing my mods, removing StreamMemFix, only GTA:SA clean, SAMP and Cleo 4
Using the /fpslimit command
Adjusting settings (Not all settings, if you know of one that may fix it. Tell me)
Attempting to play with a clean gta3, no luck.
A few other things I can't remember
Defragging my hard drive, optimizing my PC
Don't forget my SA User files is loaded with saved games, different game modes and user tracks if this makes a difference.
OS Name Microsoft Windows 7 Professional
System Manufacturer TOSHIBA
System Model Satellite L875D
System Type x64-based PC
Processor AMD A6-4400M APU with Radeon HD Graphics, 2700 Mhz, 2 Core(s), 2 Logical Processor(s)
Installed Physical Memory (RAM) 6.00 GB
If you need more info about my game/system, please contact me.