Checklists for software errors, setup, and tool workflows.

How to Fix Microsoft Edge Not Launching

If Microsoft Edge fails to launch—clicking the icon does nothing, or the window appears briefly a...

How to Clear Microsoft Store Cache to Fix Update Errors

If you're seeing error codes like 0x80073cf0 or 0x80070005 when trying to update apps from the Mi...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Windows Defender Real-Time Protection Won’t Turn Off: Fixes

You go into Windows Security, toggle off real-time protection, and within a few minutes it’s back...

Checklist for Windows Update Connection Refused Issues

When Windows Update fails with a "connection refused" or "server refused connection" error, it us...

How to Fix 'Windows Security Blocked File from Opening' Error

You try to open a file, and Windows Security blocks it with a message like “Windows Security bloc...