Windows 7 ultimate changed to windows 7 basic.



What are you going by here that you think it changed to Basic? I have a guess what happened is that the game changed the video settings and did not revert them back to the Windows settings causing things to look larger and maybe in lower color depth. That happens once in a while and makes the computer look like it's running on basic VGA drivers.

Is that what happened? Reboot, will be fixed.

The other option is that the Windows 7 Ultimate you have is pirated and it disabled most features and changed the background to black. That is possibe since about 95% of Ultimate setups I see are pirated and activated with a hack or illegal key. Craigslist $80 computers with Pentium 4 CPUs, but Windows 7 Ultamate installed. Hm...
 

Kadathan

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Mar 25, 2013
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What hang-9 said, probably either some pirated win copy, or possibly more likely, your computer turned off windows aero due to high resource consumption, or you messed with the game launcher and told it to turn off windows features unknowingly. To check if you still have ultimate, click start, right click computer, click properties, it will tell you your os version there. While you're at it, scroll to the bottom of the window to see your activation status.

There's pretty much no way for your OS to automatically downgrade, and windows 7 basic is a 32 bit os, I'm going to assume you were on ultimate 64 bit. What you think has happened is actually impossible. Just a windows scheme change, right click desktop and click personalize, and it's probably on windows 7 basic there, change it to 'Windows 7' under the aero category.