The unarc.dll error code -6 specifically indicates a "mismatch in the CRC (Cyclic Redundancy Check) checksum." This means the data being extracted does not match the original source, usually due to a faulty download, insufficient RAM, or interference from security software. Direct Fixes 1. Increase Virtual Memory (Paging File)
Error -6 often masquerades as a “corrupt archive” when the problem is actually . FIFA 13’s installer requires a massive contiguous chunk of RAM for decompression. If your pagefile is too small, the decompressor fails. how to fix unarc dll returned an error code 6 fifa 13 link