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

VMware ESXi Network Adapter VLAN Configuration Guide

When setting up VLANs in a VMware ESXi environment, you might encounter situations where virtual ...

Fix OneDrive Sync Offline Installer Error 0x8004de40

When installing OneDrive using the offline installer, you may see error code 0x8004de40. This typ...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...

Fix Windows Security Path Not Found Error (Code 0x80070003)

When you open Windows Security (formerly Windows Defender Security Center) and see an error like ...

How to Fix Windows Security Proxy Error 0x80072efd

You see error 0x80072efd when Windows Security tries to check for updates or run a scan. It usual...