How to Fix Windows Security Certificate Error Not Trusted
You're browsing or running an app and Windows throws a security warning: the certificate is not t...
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All notesRepair Windows Security Installation via Command Prompt
Windows Security (formerly Windows Defender) can sometimes fail to open, show blank screens, or r...
Fix Windows Update Connection Refused Due to Firewall
If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...
Fix Windows Activation Auto-Start Missing from Services
You open Services.msc to check the Windows Activation service and find its startup type set to Ma...
Microsoft Teams Connection Refused: Network Configuration Fixes
When Microsoft Teams shows a 'connection refused' error, it usually means a network device or set...
Fix BitLocker High CPU Usage and Error 0x80070057
You might see high CPU usage from the BitLocker process (e.g., BitLocker Drive Encryption Service...
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