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

Fix WSL Ubuntu resolv.conf Reset on Every Reboot

If you run Ubuntu on WSL and you've manually edited /etc/resolv.conf to set custom D...

Fix Task Scheduler Cache Permission Denied Errors

If you see a 'permission denied' error when creating or modifying a scheduled task, the Task Sche...

Fix BitLocker High CPU Usage and Error 0x80070057

You might see high CPU usage from the BitLocker process (e.g., BitLocker Drive Encryption Service...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

How to Reduce BitLocker Cache Size When It's Too Large

If you've noticed your system drive running low on space and suspect BitLocker's cache is the cul...

Fix OneDrive Sync Error: Port Already Allocated

You see an error message like "OneDrive sync port already allocated configuration" and OneDrive w...