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

Fix ERR_SSL_PROTOCOL_ERROR on Windows 10

If you see ERR_SSL_PROTOCOL_ERROR in Chrome or Edge on Windows 10, the browser i...

Fix Windows Update High CPU Usage and Error 0x80070002

When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...

How to Fix Microsoft Teams Not Loading

When Microsoft Teams fails to load, you might see a spinning circle, a blank screen, or an error ...

Fix Windows Activation DNS Not Resolving Server Name

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

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...

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