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

Fix Windows Update Stuck by Running Disk Cleanup

If your Windows Update is stuck at a certain percentage or appears to be downloading forever, low...

Fix Windows Security Authentication Error 0x80070035

Activate Windows 11 Without Internet: Step-by-Step

If you’re trying to activate Windows 11 on a PC that has no internet connection—either because of...

BitLocker Dependency Conflict Setup Guide

When enabling BitLocker on Windows, you might hit a dependency conflict error. This often happens...

Fix Windows Activation After Hardware Change

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...

Windows Security Log 4625 Failed Login Troubleshooting

When you see event ID 4625 in the Windows Security log, it means an account failed to log on. Thi...