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

How to Fix Windows Security High CPU Usage

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Bypass Network Proxy Blocking Windows Update: Step-by-Step

When a network proxy blocks Windows Update, you may see error 0x8024402c or updates that never fi...

Fix Port Already Allocated Error in Windows Security

If you see a 'port already allocated' error when starting a Windows Security-related service or a...

Fix OneDrive Sign-In Loop: Practical Steps

You sign into OneDrive, it seems to work for a moment, then immediately prompts you to sign in ag...

Fix Windows Security Reset Settings Not Working

If you've tried to reset Windows Security settings to default and the option doesn't respond, you...

Fix SSH Permission Denied (publickey) on Raspberry Pi