Checklists for software errors, setup, and tool workflows.

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix DNS Probe Finished NXDOMAIN on Chrome for Android

If you see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome on your Android phone, it me...

Windows Security App Won't Open in Safe Mode: Fixes

If you’re in Safe Mode and the Windows Security app refuses to open—showing a blank window, crash...

Fix Chrome Status Access Violation Registry Error

You open Chrome and see an error like STATUS_ACCESS_VIOLATION or a crash with that c...

Fix Edge Sync Not Working with Family Safety

If Microsoft Edge won't sync your bookmarks, passwords, or settings while Windows Family Safe...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate

When cloning or pulling from a Git repository, you may see:

fatal: unable to access...