Checklists for software errors, setup, and tool workflows.

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

How to Fix Cloudflare Error 522 Connection Timed Out

Error 522 appears when Cloudflare can connect to your origin server but the server doesn't re...

How to Enable Windows Defender Real-Time Protection via Group Policy

If Windows Defender real-time protection is turned off and grayed out, it's often because a G...

Fix VS Code Terminal Not Working After Update

After a VS Code update, the integrated terminal may fail to start, show a blank window, or displa...

Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome

When Chrome shows ERR_NAME_NOT_RESOLVED, it means the browser couldn't trans...

Fix Windows 11 Installation Assistant Stuck at 99%

Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...