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

Fix Error 0x80070643 When Windows Update Stuck

You click "Check for updates" and Windows Update hangs or fails with error 0x80070643. This usual...

Fix Microsoft Teams Version Mismatch Update Required Error

Understanding the Error

When you see 'version mismatch update required' in Microsoft Team...

Fix Windows Security High Memory Usage

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

Remote Desktop Network Configuration Checklist

If you're setting up Remote Desktop (RDP) and hitting connection errors, the problem is often in ...

Fix Outlook 504 Gateway Timeout by Clearing Cache

If you're seeing a "504 Gateway Timeout" error in Outlook—especially when connecting to Exchange ...