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

Windows Update Failed to Install Manually: Practical Fixes

You download a Windows update from the Microsoft Update Catalog, double-click the .msu file, and ...

Fix Windows Terminal Version Mismatch Error

You open Windows Terminal and see an error message about a version mismatch—something like “The t...

How to Change Default Profile in Windows Terminal

If you open Windows Terminal and it always starts with PowerShell when you'd rather use Command P...

Fix Task Scheduler Service Unavailable Due to Corrupted Registry

You may see “Task Scheduler service is unavailable” when opening Task Scheduler, or scheduled tas...

Fix Windows Activation Sync Issue Between Windows and Ubuntu

If you dual-boot Windows and Ubuntu and suddenly see a “Windows isn’t activated” message, the iss...

Fix Windows Security Authentication Error 0x80070035