WinRAR diagnostic messages appear when the program runs into a problem during compression, extraction, or archive validation.
Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested.
CISA warns WinRAR CVE-2025-6218 is under active attack by multiple threat groups, requiring federal fixes by Dec. 30, 2025.