Fix about "This compressed file format is unknown or data has been corrupted"

This causes two kinds of reasons, one is that the compressed file on the site is bad, and the second is due to the network or the reason of the download, resulting in the download of the compressed package is incomplete, data loss.

Workaround:

1. Download in a different time period.

2. Use RAR Recovery Toolbox or advanced RAR repair to repair these two tools.

3. Re-download the WinRAR.

4. Open "My Computer", Control Panel/Folder Options/file type/new/file extension. exe, click the "Advanced" button, the associated file type select "Application", OK/Then find it, click on Restore.

5. Select your RAR package and right-click on it, the shortcut menu appears, select "Extract Files" command from the menu. In the Extract paths and Options window that pops up, select the specific path that was placed after unpacking the file, and then select the Keep corrupted files check box in the Miscellaneous group box. This is a critical step in solving a document that has not been compromised, mainly by it. Click the "OK" button to start the decompression operation. When the decompression error prompts you to skip the error message and continue, you can get all the documents that are not compromised.

6. Do a variety of anti-virus.

7. Clean up the registry (not recommended)