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

How to Fix Windows Defender Proxy Error

If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...

Fix Outlook Cannot Connect to Server: Step-by-Step Troubleshooting

You open Outlook and see an error: "Cannot connect to server" or "Disconnected"...

Fix Windows Security Authentication Error 0x80070035

Fix Windows Activation License Expired After Upgrade

After a major Windows upgrade (e.g., from Windows 10 to Windows 11 or a feature update), you may ...

How to Change Microsoft Store App Download Path in Windows

By default, Microsoft Store apps install to the system drive (usually C:). If that drive is low o...

Setup Microsoft Teams Correct Permissions: A Practical Guide

When Microsoft Teams doesn't work as expected—users can't join meetings, share files, or access c...