It may be time to rotate some keys. The venerable PuTTY was updated to 0.81 this week, and the major fix was a change to how ecdsa-sha2-nistp521 signatures are generated. The problem was reported on ...
Open the Windows 10 Start menu and search for “Apps & Features”. In the “Apps & Features” heading, click “Optional Features”. Scroll down the list to see if “OpenSSH Client” is listed. If not, click ...