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

How to Fix Cloudflare Error 521: Origin Server Unreachable

If you see Cloudflare error 521, your origin server is not responding to Cloudflare's request...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Remove Large Files from Git History

If your Git repository is bloated because a large file was committed and later removed, the file ...

Chrome Startup Crash When Opened from Task Manager

You click 'Run new task' in Task Manager, type 'chrome', hit Enter, and Chrome cr...

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

How to Fix Cloudflare SSL Full Strict Error

If you see a Cloudflare SSL error when using Full (Strict) mode, your origin server is not presen...