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

How to Restart the Task Scheduler Service in Windows

If scheduled tasks aren't running or you see errors like "Task Scheduler service is not available...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Activation Blank Screen Stuck on Startup

You boot your PC and instead of the desktop, you see a blank screen with a Windows activation wat...

PowerShell High Memory Usage Not Dropping: Fixes That Work

You run a PowerShell script, memory usage climbs to several hundred MB or even GB, and after the ...

Fix Chrome Proxy Error 'Connection Refused' (Step-by-Step)

You try to open a website in Chrome and get 'ERR_CONNECTION_REFUSED' or 'Proxy server is not resp...

Fix Microsoft Teams 502 Bad Gateway Error – Step-by-Step

If you see a 502 Bad Gateway error in Microsoft Teams, it usually means a server...