Office 2007 Key Sale Black screen stuff... - WoW B

Greetings,Office 2007 Key Sale,
I have been getting this dilemma since 4.0.one but somehow i was unable to generate a new thread till today.
If i enter certain places of wow my display screen turns black,Windows 7 Home Basic 64, keeps switching between darkish grey and black all of the time and then my computer freezes after a moment or even less. After this take place the next time i make an effort to log in with the affected character my screen turns black and my personal computer freezes... and this goes on untill i discover a GM who moves my character. But during the black display screen intervals i can nevertheless hear game sound.
I have done everythign what the GMs suggested me to do, reseted UI,Office Professional Plus 2010 Key, deleted WTF,Windows 7 Pro Key,Office Standard 2010 32 Bit payroll professionals, Cache, Interface, wow-repair. Absolutely nothing helped in any way.
Well, the affected locations: (possibly it assists perhaps not,Office Professional 2010 X86, nevertheless i ll compose it)
-Storm Peaks
-Icecrown citadel
-Zul Drak's western part
-Isle of Spears
-Stormwind Town (outdated town, dwarwf discrit --only right after four.0.3)
Well, I desire you'll have some usufull suggestions about it. Thank you for the time anyway :)