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

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

Fix Windows Search Access Denied for Administrator Account

Why You See 'Access Denied' as Administrator

You're logged in as an administrator, but Wi...

Fix Windows Terminal Update Failing with Ubuntu Error Code

If you see an Ubuntu-related error code when updating Windows Terminal, the update is likely fail...

Fix 'OneDrive File Locked by Another User' Sync Stuck

You're trying to sync a file in OneDrive, but it's stuck and shows 'File locked by another user'....

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...

Fix Windows Defender Sync Not Working on Mac

If you use Windows Defender on your Mac and notice that security settings or scan history aren't ...