Since new update display driver crashed every 5-15min playing King of the Hill servers. Game runs for 5-15 then suddenly freezes and i have to alt tab. Even viewer shows error about display driver crashing but being restored succesfuly.

I attached Directx diagnostics file for pc specs

Event viewer log:

• <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
• <System> <Provider Name="Display" /> <EventID Qualifiers="0">4101</EventID> <Level>3</Level> <Task>0</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2015-06-09T15:59:27.000000000Z" /> <EventRecordID>16189</EventRecordID> <Channel>System</Channel> <Computer>NosPC</Computer> <Security /> </System>
• <EventData> <Data>nvlddmkm</Data> <Data /> </EventData> </Event> {F26396}