Restart 7-Zip or Windows. Check for virus infection. Redownload the archive. Make sure the password is correct, if applicable. Repair the archive. Reinstall 7-Zip. Try an alternative file unzipper.

Make sure you're running version 24.09 or later of 7-Zip as soon as you can, else you're still vulnerable to this dangerous security flaw.

The zero-day attack also highlights the importance of keeping all your apps up to date—you should update 7-Zip immediately.

Researchers said they recently discovered a zero-day vulnerability in the 7-Zip archiving utility that was actively exploited as part of Russia's ongoing invasion of Ukraine. The vulnerability ...