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

Fix Windows Defender Missing After Update

After a Windows update, some users find that Windows Defender is missing from the system tray, Se...

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

Fix GitHub Actions Docker Push Permission Denied

Fix Windows Update Settings Greyed Out – Step-by-Step

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...

Fix BitLocker Setup Error 0x803100b1 on Windows

When enabling BitLocker, you may see error 0x803100b1, which usually means the system cannot find...

How to Fix PowerShell Migration Error 0x80070005

When migrating PowerShell scripts or modules between systems, error 0x80070005 typically means 'A...