I've been having frequent OS freezing issues with my new PC for a while, and for some reason the problem disappeared (or so it seems) when I opened my desktop's case (even though it's an aluminum case with 3 fans in it as you can see here: http://www.overclock.co.uk/product/Thermaltake-LanBox-VF1000SWA-Silver-Gaming-Cube,-No-PSU_151.html )
First of all, would heat cause such an issue with the OS? if so, do I need to get a bigger case or better fans? if it's the latter, then should I look for in the new fans?
Your help is much appreciated