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

Fix Windows Defender Permission Denied Error

You open Windows Security, try to run a scan, or enable real-time protection, and get a message l...

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

Fix Windows Update 404 Not Found Error on Windows 11

If you see a "404 Not Found" error when running Windows Update on Windows 11, it usually means th...

Chrome Profile 502 Bad Gateway Error: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway error in Chrome, and other browsers work fine...

Fix Office 365 Token Expired Error in CMD