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

Fix GitHub Actions Cache Action Permission Denied Error

BitLocker Asking for Recovery Key at Every Boot? Here’s How to Fix

You boot your Windows PC and instead of the usual login screen, BitLocker demands the recovery ke...

Fix Outlook SSL Certificate Error 0x80048820

You try to connect Outlook to your email server and see error 0x80048820. The full message often ...

Fix Port Already Allocated for Task Scheduler Service

You try to start a service using Task Scheduler, but get an error that the port is already alloca...

Fix Windows Update Service Not Running After Malware Removal

After removing malware, you may find that Windows Update no longer works. The service might be di...

How to Fix Windows Defender Slow Performance

Windows Defender (now Microsoft Defender Antivirus) can sometimes cause noticeable slowdowns, esp...