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

How to Fix Microsoft Store Proxy Server Errors

If you see a proxy server error when opening Microsoft Store, it usually means the app can't reac...

Fix Windows Security DNS Errors After a Windows Update

After a recent Windows update, you may see a DNS error inside Windows Security (formerly Windows ...

Fix Microsoft Teams Backup Error 0x80070057

When backing up Microsoft Teams data, error 0x80070057 often appears as 'The parameter is incorre...

Fix KMS Activation Error: Port 1688 Already in Use

Windows Update Troubleshooting Checklist for IT Admins

When Windows Update fails on a managed workstation, the first step is to isolate the cause. Use t...

Fix High CPU Usage from Windows Activation Failure

You might notice your PC fan running loud or sluggish performance after a Windows update or hardw...