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

Configure Windows Update to Trust a Custom SSL Certificate

If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...

Fix Remote Desktop Blank or Black Screen on Windows 10

When you connect to a Windows 10 machine via Remote Desktop and see only a black or blank screen,...

Fix BitLocker DNS Error After Windows Update

After a recent Windows update, you might see a BitLocker error that mentions DNS, such as "BitLoc...

OneDrive Sync Service Unavailable: Practical Fixes

When OneDrive shows "sync service unavailable," files stop syncing and you may see a paused icon ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

BitLocker Recovery Key Not Connecting After Reboot: Fixes

After a reboot, you might see the BitLocker recovery screen asking for a 48-digit key, but enteri...