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

Clear PowerShell Command Cache After Module Update

After updating a PowerShell module, you may notice that new cmdlets or changes don't appear immed...

How to Fix Postman Self-Signed Certificate Error

When using Postman to test APIs that use self-signed certificates, you may encounter an error lik...

Fix BitLocker Port Already Allocated Error After Update

After a Windows update, some users see a BitLocker error saying the port is already allocated. Th...

Fix PowerShell Authentication Failed Credentials Error

Windows Update 504 Gateway Timeout: Causes and Fixes

When you run Windows Update and get a 504 Gateway Timeout, the update process st...

How to Fix Windows Security Not Opening After Update

After a Windows update, you might click the Windows Security icon and nothing happens, or the app...