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

Fix Nginx Config Test Failure After Adding SSL Certificate

You added an SSL certificate to your Nginx server block, ran nginx -t, and got an er...

Fix PowerShell Remote Connection Refused Error

Fix Windows Security Not Launching After Malware Removal

After removing malware, Windows Security may fail to launch or show a blank window. This is often...

Fix Outlook Add-In Conflict That Prevents Startup

You launch Outlook and it crashes or hangs before the main window appears. A common cause is a co...

How to Perform a Clean Install of Chrome on Mac

If Chrome on your Mac has become sluggish, crashes frequently, or shows persistent errors, a clea...

Fix Microsoft Store Error 0x80070005: File Locked

When you see error code 0x80070005 while trying to install or update an app from the Microsoft St...