Checklists for software errors, setup, and tool workflows.

Fix Windows Search SSL Certificate Error Configuration

If Windows Search stops working and you see an SSL certificate error in the event logs or search ...

Fix Command Prompt Not Launching from Taskbar

You click the Command Prompt icon on the taskbar, but nothing happens. No window, no error, just ...

Fix Windows Update 502 Bad Gateway Connection Issue

When Windows Update fails with a "502 Bad Gateway" error, it usually means the update server can'...

Fix Windows Security DNS Error Not Working

If Windows Security shows a DNS error or stops working, it's often due to network configuration, ...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Activation Blocked by Firewall

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...