Checklists for software errors, setup, and tool workflows.

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Windows Update Service Not Running in Windows 11: Fix It

If Windows Update won't start and you see an error like "Windows Update service is not ru...

How to Show Hidden Icons on Taskbar in Windows 10

You may notice that some app icons in the system tray (notification area) are hidden behind an up...

Fix Windows 11 Blue Screen After Update Stuck in Restart Loop

After a Windows 11 update, your PC may show a blue screen error and then restart repeatedly, neve...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Fix 'nginx configuration test failed invalid parameter'

When running nginx -t to test configuration, seeing "nginx: [emerg] inva...

Fix Missing Taskbar Icons After Uninstalling a Program
You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...