If background apps, overlays (like Discord or GeForce Experience), or stubborn drivers are interfering with the installation, Windows Safe Mode will stop them. Press , type msconfig , and press Enter. Go to the Boot tab. Check the box for Safe boot and select Minimal . Click Apply , then OK , and restart your PC. Once your PC boots into Safe Mode, run the DODI installer.
This error is rarely caused by a single issue, but commonly stems from:
Navigate to the tab and click Change under Virtual Memory . dodi repack isdone.dll error
Right-click the setup.exe . This ensures the installer has permission to write files to your C: drive.
Uncheck . Select your C: drive (or your fastest SSD). Click Custom size . If background apps, overlays (like Discord or GeForce
Official installers use light or no compression. Dodi repacks use maximum compression to save bandwidth. High compression requires more temporary memory and processing power.
Here is why this error happens and, more importantly, how to fix it. Check the box for Safe boot and select Minimal
This is an advanced fix for persistent Unarc.dll returned -1 errors.