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

Fix Windows Update Service Not Running with Permission Denied

You try to run Windows Update and get an error that the service is not running. When you try to s...

Fix NET::ERR_CERT_AUTHORITY_INVALID via Chrome Enterprise Policy

If you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome on a managed device, the is...

Fix Windows Security App Access Denied Error

When you open Windows Security (formerly Windows Defender Security Center) and see an 'Access...

Fix Chrome Slow and High Memory Usage

If Chrome feels sluggish and your system is running low on memory, you're not alone. Chrome i...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix 'node-sass build failed python not found' Error