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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix 'Port Already Allocated' Error in Windows Defender on Windows 10

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

Fix Microsoft Teams Crashing on Windows 10

If Microsoft Teams keeps crashing on your Windows 10 PC, it's usually due to a corrupted cache, o...

Fix Windows Defender Blank Screen Error Code

When you open Windows Security and see a blank screen with an error code, it usually means a core...

Fix Windows Defender Threat Service Stopped & No Internet

You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...

How to Fix Chrome Stuck on Checking for Updates

You open Chrome and see it stuck on the 'Checking for updates' screen. This can happen during aut...