Sometimes the installer lacks permission to write files to system folders.
If you suspect hard drive corruption:
Antivirus software frequently quarantines or blocks the Unarc.dll or the Repack.exe because they use heuristic detection (behavior that resembles malware—compressing/executing code). When the DLL is blocked in the middle of installation, Error -12 triggers. dodi repack error code 12
Error Code 12 effectively translates to: "I cannot write the file to the disk because an external force is blocking me." Sometimes the installer lacks permission to write files
To fix the problem, you need to know the root cause. Here are the five most common reasons users see Error Code 12: dodi repack error code 12
Disable Windows Defender and any third-party antivirus during the entire installation process.