We came across a freeware that will allow you to repaid corrupted zip files on Windows, this can come in pretty handy when you have download zip files from the Internet, but it refuses to open by giving you a error message saying that the zip file is corrupted.
This may occur even if there is just a minor corruption while downloading the file. DiskInternals ZIP Repair helps repair zip structure and extract the contents of the archive. Full automation of the recovery and a wizard-like interface make zip repair no more than a snap.
If you have downloaded a zip file and it seems to be corrupted just fire the zip repair tool and follow the wizard to repair it and save both time and efforts you will spend in re-downloading the file.