Blue and freeze screens w/ Detonator higher than 27.20

[Jackular]

Really dunno what's going on

Nfs Hot Pursuit 2 <-- Blue screen when race starts

RalliSport Challenge <-- Auto Quit to Windows when race starts

Try to lower settings, no help. Lower ram or cpu tweakings in BIOS, no help. Try out new certified 40.72 Detonator, no help.
Downclock cpu or vcard, also no help.

27.20 is the only stable driver but it's a bit dated and cannot play some recent games properly...

Any Help is appreciated...

My Rig

 

[tenoc]

Try removing and re-installing the games.