Portal2.exe has stopped working

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The game worked perfectly for the first three or four weeks when I bought it and then it started giving me the 'Display driver stopped responding and has recovered' error. Setting process priority to high (it just gets reverted to normal)

Running in compatibility mode for Windows 7/8 Uninstall and install the GPU through Device ManagerīO3 is allowed through the firewall, as well as Steam Set TdrLevel to 0 (turn off TDR completely), it just completely freezes everything and I have to kill the computer with the power button Set TdrDelay to 8 (setting it to higher values just makes the game frozen for longer before getting a black screen) that fixed the 'Display driver stopped responding and has recovered' problem I had before this

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Uninstall drivers with DDU and (manually) delete all GPU driver related registry entries

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The game freezes and when I open task manager, the game goes black and I can see the error message, but I can still hear the game audio.Ĭompletely lower the settings (1024x768 resolution, 50% resolution scale, FPS limit 30, everything to low or off if possible) It crashes always when I play it, just after a varying amount of time (depending on the settings and the game mode). When I'm playing CoD Black Ops 3, the game crashes and I get an error that says: Application 'blackops3.exe' has been blocked from accessing graphics hardware