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

Fix Microsoft Teams Blank Screen: Web vs Desktop

When Microsoft Teams shows a blank screen—white or grey—after login, the problem usually lies in ...

Fix Windows Defender Port Already Allocated in Windows 11

You start a program that needs a specific network port, but Windows 11 tells you the port is alre...

Fix PowerShell Service Unavailable Error (Enable or Restart)

If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...

How to Fix DNS Errors When Searching in Windows 10

If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...

Windows Security Migration Rollback Procedure

After migrating security settings (e.g., Windows Defender policies, BitLocker configurations, or ...

Command Prompt Connection Error Troubleshooting Guide