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

Fix Windows Security App Blocked by Antivirus

You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fix Firefox Secure Connection Failed Error Due to Antivirus

You try to visit a website in Firefox and see a message like “Secure Connection Failed” or “PR_CO...

Fix Windows Update Error 0x80070002 After Update

After a Windows Update, you may see error 0x80070002. This usually means the system can't fin...

How to Fix Chrome Crash Loop on Windows and Mac

If Chrome opens for a few seconds and then crashes, or keeps restarting in a loop, you're lik...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...