New nvidia drivers crash the game if i alt tab more than a few seconds

After i installed thenew nvidia app (beta) with the latest ge force ready drivers ,only war thunder says (textures have been reduced because there’s no memory left) and if i alt tab the game crashes with this error code (c679fe0439)

my specs:
r9 7900
32g ddr5

If anyone has a fix let me know

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And for the non pc experts ,war thunder maximised it doesn’t even get to the 12 gigs of the gpu