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

How to Fix Cloudflare SSL Flexible Redirect Loop Error

If you're using Cloudflare's SSL/TLS setting set to Flexible, you may run into a redirect loop er...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Fix Windows Security Path Not Found Error

When you try to open Windows Security (formerly Windows Defender Security Center) and see a messa...

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

Fix Windows Update Stuck on 'Checking for Updates' Due to DNS

If Windows Update gets stuck on 'Checking for updates' for minutes or hours, DNS issues are a com...

How to Fix Windows Security Update Failed Errors

You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...