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

How to Fix Windows Defender Proxy Error

If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...

Fix High Memory Usage in Remote Desktop After Windows Update

After a recent Windows update, you might notice that Remote Desktop (MSTSC) consumes significantl...

Fix Windows Defender DNS Error 0x800704cf

You open Windows Defender and see error code 0x800704cf. This usually means Windows Defender can’...

Fix OneDrive Sync Permission Denied Error

You try to sync a file or folder in OneDrive, but see a 'permission denied' error. This usually m...

OneDrive Sync Network Error Checklist: Quick Fixes

If OneDrive shows a sync network error, it usually means the app can't reach Microsoft servers. T...