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

Jupyter Kernel Not Starting Python Environment: Fixes

You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...

How to Repair Windows Update Using System File Checker

If Windows Update fails with errors like 0x80070002 or 0x800736B3, corrupted system files are oft...

How to Fix Chrome Profile Access Denied Error (Error Code)

You see a 'Profile Access Denied' error when launching Chrome. This usually means Chrome can't re...

Fix Windows Defender Connection Refused After Update

After a recent Windows Update, you might see a "connection refused" error when trying to open Win...

How to Fix Windows Defender Error 0x800704ec

When you try to open Windows Defender (now called Microsoft Defender Antivirus) and see error cod...

Fix Outlook Data File Access Permissions Error