| Error Code | Most Likely Cause | Primary Fix | | :--- | :--- | :--- | | -1 | Out of memory (page file) | Increase virtual memory to 16GB | | -5 | Antivirus blocking write | Disable AV; run as Admin | | -6 / -7 | Corrupt download | Re-download with checksum verification | | -12 | Memory fragmentation | Reboot; close all apps; use LowMemory flag | | -14 | Incompatible Windows version | Run in Windows 7 compatibility mode |
. These errors are often caused by insufficient memory (RAM/Virtual Memory), corrupted archive files, or interference from security software. Microsoft Learn Core Solutions to Fix isdone.dll and unarc.dll 1. Increase Virtual Memory (Paging File Size) isdone.dll isarcextract unarc.dll fix download manager
The isdone.dll and unarc.dll errors typically occur during the installation of large, compressed software or games (often "repacks"). These errors indicate that the system failed to decompress or extract the necessary data files. Common Causes | Error Code | Most Likely Cause |
Do not attempt these out of order. Start with #1, test the installation, then move down the list. Increase Virtual Memory (Paging File Size) The isdone