Checklists for software errors, setup, and tool workflows.

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Fix DNS Probe Finished NXDOMAIN on Google DNS Setup

If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...

How to Fix Chrome High Memory Usage from Hardware Acceleration

If Chrome is using excessive RAM and your system feels sluggish, hardware acceleration might be t...

Fix Windows 11 Setup Stuck at 99%

You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

How to Resolve Git Unrelated Histories Merge Conflict

When you try to merge two branches that have no common commit history, Git refuses with fat...

Fix Windows 11 Blue Screen After Update with System Restore
If you're seeing a blue screen after installing a Windows 11 update, System Restore can often...