Sometimes the installer needs specific permissions or a simpler environment to run correctly. Right-click the setup.exe file of the ElAmigos repack. Select > Compatibility .

ElAmigos repacks are brutal stress tests. If your RAM has a single bad bit or your CPU overheats, the decompression will fail with an isdone.dll error.

When installing large ElAmigos repacks, users often see:

The error associated with repacks typically occurs during the decompression phase of a game installation. It indicates that the system is unable to extract or handle the compressed data archive. Technical Root Causes