How to fix "CRC failed in file" in Windows Explorer, WinZip, 7-Zip
CRC failed in file. The file is corrupt.
What this error means
A file inside decompressed, but its checksum does not match — some bytes are damaged.
Why it happens
- Storage errors
- Network errors during transfer
- Faulty RAM on the computer that created the archive
How to fix it
- Extract the other files — only the file with the CRC error is affected
- Upload it here: we recover everything readable and flag which files may be damaged
About ZIP archive files
A ZIP archive stores each file with its own small header, then a central directory (the index) at the very end. If the end of the file is missing, tools say the archive is invalid — but every file before the cut can still be read.