I) you're a total newbie so you don't:go to tools in EI and delete files;you don't do disk cleanups,scandisks and defrags;you don't clean your registry or reinstall your OS;you never open your case and clean it out,so everything is filthy and overheating,especially the hard drive,CPU and GPU;you never remove installed programs you never use;you're playing a game at the wrong video settings;filthy optical drives.
II)Software and driver conflicts:your drivers are out of date or corrupted;you have incompatible running programs;incompatible video driver;a corrupted program file;Hardware driver conflicts:the software just is imcompatible with your machine.
III)Bad ISP-you'll be kicked off line often and sometimes your PC will just freeze=aol ,dsl or dial up.
IV)Bad Hardware:bad ram;mixed ram not compatible with each other;overheating cpu(check to see that its correctly seated and tightly seated;overheating HD or GPU;loose connections to the HD or GPU;a bad HD about to fail(maybe);a bad mobo;bad PSU.
V) Bad wiring in your house.
VI) Bad powerlines to your house.
VII) A bad power plant supplying corrupted power,power plunges and spikes=get a line interactive UPS rather than a stand by UPS.
IIX) Crashman's gremlins are messing with you.
IX)Spyware,adware,a virus,malware-damn all who make them.
I'm sure there are more;but that's all from me.
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