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

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix Windows Activation High CPU Usage After Update

After a Windows update, some users notice that the System process or a service called sppsvc.exe ...

Reset OneDrive Settings Without Losing Files

If OneDrive is acting up—sync errors, wrong folder locations, or settings that won't stick—you ma...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Redis Not Starting with systemctl on CentOS

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

Fix Microsoft Teams File Locked Configuration Settings

When you see 'file locked' in Microsoft Teams, it usually means another user or process has the f...