Knowledge base for software setup, errors, and daily tool work.

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Outlook High CPU Usage and Error 0x8004010f

If Outlook is using high CPU and showing error 0x8004010f, the issue usually involves a corrupted...

Windows Terminal Authentication Failed: Troubleshooting Checklist

When Windows Terminal shows 'authentication failed' during an SSH or remote connection, it usuall...

Chrome Profile Missing After Logout: Recovery Steps

You log out of Chrome or your computer, and when you log back in, your profile is gone—no bookmar...

How to Fix Task Scheduler Not Running on Ubuntu

If you rely on scheduled tasks on Ubuntu—whether via cron, systemd timers, or anacron—and they su...

Fix Windows Activation DNS Not Resolving Server Name

When Windows fails to activate, the error often points to DNS problems — specifically, the server...