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 ...

Windows Security Update Not Installing After Reboot: Fixes

You restart your PC to finish installing a Windows security update, but after the reboot, the upd...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix Windows Activation Failed: Product Key Blocked Error

You try to activate Windows and see: "Activation failed. The product key you entered didn't work....

Fix Task Scheduler DNS Error Permission Denied

When a scheduled task fails with a DNS error and permission denied, the task often cannot resolve...

Fix Windows Security High Memory Usage

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...