to test if its a problem with dual processor, try to assing the game exe to only 1 cpu using this centaurian:
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Fix #3 - Set the Affinity Manually
Finally, the last and least glorious of the fixes is to manually set the CPU affinity of certain programs. This can be done in several ways.
1. Alt-Tab out of your game, CTRL-ALT-DEL to the Task Manager, Under the Processes tab, right click the .exe file for your game and go to Set Affinity, Uncheck CPU 1.
2. Use a program to launch games
Win2000/WinXP Launcher to load games. (Available here: http://www.majorgeeks.com/Win2000_Launcher_d438.html or http://www.majorgeeks.com/WinLauncherXP_d870.html). This will allow you to set the CPU affinity before loading the game, which is useful for games that don't respond well to Alt-Tabbing.
3. Use an affinity masking tool such as
ImageCFG (http://www.robpol86.com/Pages/imagecfg.php for instructions on how to use). Backup your .exe before using this program. Imagecfg has a problem with some directories with spaces in them, so its easiest to stick it in the folder with the *.exe file you want to change. Then use the command you need (knowledge of the DOS prompt is a must
imagecfg -a 0x1 game.exe for core 1
imagecfg -a 0x2 game.exe for core 2
This will alter your .exe file, so make a backup of it. Especially since future game patches might not work with a patched .exe.
RunFirst - http://www.activeplus.com/us/freeware/runfirst/
Affinity Set Command by JakFrost
http://www.hardforum.com/showpost.p...0&postcount=431
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there is a full guide to solve this problem with dual cpu computers in games in this website:
http://www.hardforum.com/showthread.php?t=983781
in that website the "fix 1" is not well described... the amd patch not only ads the userpmtime to the windows boot options so dont try to do the fix 1 by the second way described
(i know, it sounds confusing... just read the website and everything will fit in ^^)
lancelot, if yours is one of the new AMD64 dual cpus, appliyng the fixes in that web should solve the problem