Turn off the Steam Overlay , Discord Overlay , or monitoring tools like MSI Afterburner and RivaTuner , as these often conflict with D3D initialization.
Press Win + S , type Disk Cleanup , select your main C: drive, check the box for DirectX Shader Cache , and click OK to purge lingering cache files. 2. Switch Your In-Game Graphics API
Applying filters like bloom, depth of field, or motion blur. errgfxd3dshader1 best
: In Windows 11, go to Settings > System > Display > Graphics . Find your game, click Options , and select High Performance to ensure it uses your dedicated GPU. Specific Game Workarounds [ENG/RU] “ERR_GFX_D3D_DEFERRED_MEM” fix
The "best" and most reliable fix is often a clean reinstallation of your graphics drivers. Many issues stem from corrupted driver files that a standard update won't overwrite. Turn off the Steam Overlay , Discord Overlay
If you can’t reach the menu before crashing, edit settings.xml manually (find <Tessellation value="1" /> and change to 0 ).
Right-click the primary game executable file (e.g., PlayGTAV.exe or the main game title binary) and select . Click on the Compatibility tab. Check the box for Run this program as an administrator . Switch Your In-Game Graphics API Applying filters like
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