Believe it or not, missing Visual C++ runtimes can cause unarc to throw code 11 instead of a "missing DLL" error.
You’ve just spent 4 hours downloading a 60GB DODI Repack. You disable your antivirus, run the setup as an administrator, and sit back. At 72.3%, the progress bar halts. A small, dreaded dialog box appears: unarc.dll error code 11 dodi repack
There is an unspoken truth in the repack community: Believe it or not, missing Visual C++ runtimes
: Modern security software may block the decompression process. Temporarily turn off Real-time Protection or add an exclusion for the installation folder. If a single
If a single .bin file is slightly corrupted during download, the whole installation will fail with Code 11.
The "Returned Error Code 11" Phenomenon: A Critical Analysis of Decompression Failures in Modern Repacks Subject: Dodi Repacks / Unarc.dll Error Type: Data Decompression Failure (CRC Mismatch) Severity: High (Installation Termination)
Add the folder where you are installing the game to your antivirus Exclusion/Exceptions list so it doesn't delete the files immediately after you turn protection back on. 2. Increase Your Virtual Memory (Paging File)