Unarc.dll error code 11 (often paired with "file write operation failed")
Error 11 is a favorite among unstable RAM overclocks because decompression is extremely sensitive to bit-flips. unarc.dll error code 11 dodi repack
The following steps are recommended by the official DODI Repacks troubleshooting guide and community consensus: unarc.dll error code 11 dodi repack