Select your C: drive, choose , and set both Initial and Maximum size to 16384 MB (for 16GB) or higher. 2. Disable Antivirus and Windows Defender
You've waited hours for a massive game download to complete. The progress bar is at 94%. You lean back, anticipating finally being able to play. Then, a small dialog box appears in the middle of your screen and ruins everything. It contains one of the most dreaded errors in PC gaming: "ISDone.dll - An error occurred when unpacking."
Never install Dodi repacks to your Desktop, Downloads, or a FAT32 drive.
Select under Virus & threat protection settings. Toggle Real-time protection to Off . dodi repack isdone.dll error
This mimics having more RAM.
How the failure arises — a methodical sequence
Check and select Windows 7 or Windows 8 . Click Apply and run the installer. Summary Checklist Potential Cause Antivirus Block Turn off Real-time protection temporarily Bad Download Data Force recheck the torrent files Insufficient RAM Increase Windows Paging File size / Limit Installer to 2GB Software Conflict Install the game via Windows Safe Mode Storage Permissions Run the installer executable as an Administrator Select your C: drive, choose , and set
The forums are full of zombie advice: “Run as admin!” “Re-download the repack!” “Update your GPU drivers!” (Why? The error happens before the GPU even wakes up).
Note: Remember to uncheck Safe Boot and restart again once the installation finishes. 6. Clear Temporary Files and Change Installation Paths
If you have less than 8GB of RAM, use this tool. The progress bar is at 94%
Type in the Windows search bar, right-click Command Prompt , and choose Run as administrator .
Create a folder C:\DODI_GAMES . Exclude that entire folder from Windows Defender/Real-time protection. Move the installer and .bin files there. Run as administrator.
If you downloaded via torrent, your client can verify the files.
Right-click on the DODI Repack torrent that is giving you trouble. Select (or Verify Local Files ).