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

Fix Windows Security Service Unavailable in Windows 11

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...

Fix Firefox Secure Connection Failed Due to Wrong Time or Date

When Firefox shows a 'Secure Connection Failed' error and mentions the time or date is wrong, it ...

How to Fix 'Permission Denied' When Running PowerShell as Administrator

You right-click PowerShell and select 'Run as administrator', but instead of an elevated prompt, ...

Fix Windows Update Failed Error 0x800f081f

Error 0x800f081f usually appears when a Windows Update fails to install, often due to missing or ...

How to Enable Script Execution in PowerShell

When you try to run a PowerShell script (.ps1) and see an error like "cannot be loaded because ru...

Fix Microsoft Store Permissions Issue in Windows 10