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

How to Restore Windows Security Missing from Start Menu

If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...

How to Fix 'Windows Update Cannot Connect to Internet' Error

When Windows Update reports it cannot connect to the internet, it usually means something is bloc...

Fix Windows Activation SSL Certificate Error After System Restore

After performing a system restore, some users encounter an SSL certificate error when trying to a...

Fix Windows Defender Blocked by Group Policy Permission Denied

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

How to Fix Chrome Error STATUS_ACCESS_VIOLATION