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

Chrome Proxy Configuration Troubleshooting Guide

If Chrome won't load pages or gives proxy errors, the problem is often in the system proxy settin...

Fix Windows Activation Version Mismatch After Upgrade

After upgrading Windows—whether from Home to Pro or from an older build to a newer one—you might ...

How to Fix Command Prompt Freezing on Startup

You open Command Prompt, and instead of a blinking cursor, you get a frozen window that won't res...

Fix Microsoft Teams Error Code cxa20001

Error code cxa20001 in Microsoft Teams usually appears when signing in or starting the app. Users...

How to Fix Outlook Backup Restore Failed Due to Corrupt PST

You try to restore an Outlook backup, but it fails with an error about a corrupt PST file. This i...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...