| Error Text | Real Problem | Solution | |------------|--------------|----------| | “Generic error at step 3” | MFW10 can’t find the main EXE | Step 4: Set correct TargetExecutable= | | “Generic error – manifest hash mismatch” | UWP v3 uses sealed hashes | Step 5: Use /repair mode | | “Access denied – generic” | WindowsApps folder locked | Boot into Safe Mode, run MFW10 | | “Generic: invalid OPC” | Downloaded .appx was corrupted | Re-download using from store.rg-adguard |
When generic UWP v3 errors survive all repairs: mfw10 fix repair uwp v3 generic