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

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...

Fix npm install Permission Denied on Shared Hosting

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...

Fix npm install Permission Denied in VS Code Terminal

When you run npm install in the VS Code terminal and get a permission denied error, ...

Fix Windows Search Indexing Not Working After Upgrade

After a Windows feature update or major upgrade, you may find that search results are slow, incom...