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

Fix OneDrive Not Syncing After Windows 11 Update

After a Windows 11 update, OneDrive may stop syncing files. This is usually due to changed settin...

PowerShell Not Found After Installation: Fixes That Work

You installed PowerShell — maybe the latest version — but when you type powershell o...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix OneDrive Sync Error 0x8004de40 on Ubuntu

If you see error 0x8004de40 when syncing OneDrive on Ubuntu, the sync client usually fails to aut...

Fix Windows Activation DNS Not Resolving Server Name

When Windows fails to activate, the error often points to DNS problems — specifically, the server...

Fix Windows Security Login Loop and Sync Issues

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...