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

Fix Windows Activation Blank Screen via Registry

After activating Windows, some users see a blank screen with only a cursor. This usually points t...

Fix 'Port Already Allocated' Error in Windows Terminal WSL

If you see port already allocated when starting a service in WSL via Windows Termina...

How to Take Full Control of the Windows Update Folder

If Windows Update fails with errors like 0x80070005 or 0x80246007, the problem might be permissio...

Fix 'Module Not Found' Permissions Error in Microsoft Teams

You open Microsoft Teams and see an error like 'Module not found' or 'Permissions required'. This...

Fix Windows Update 502 Bad Gateway After Update

After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...

Fix PowerShell DNS Error 0x8007274d: Practical Steps