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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Redis Not Starting with systemctl on CentOS

If you run systemctl start redis on CentOS and the service fails silently, you're no...

OneDrive Sync Service Unavailable: Practical Fixes

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

Fix Windows Activation Backup Restore Failure After Update

After a Windows update, you might see an error when trying to restore an activation backup. The b...

How to Fix OpenVPN TLS Handshake Failed Error

If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...

How to Fix Outlook Setup Not Working

When Outlook setup fails or gets stuck, you usually see an error like “Something went wrong” or “...