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

Windows 11 Taskbar Icons Missing? Fixes That Actually Work

You boot up Windows 11 and notice the taskbar icons are gone—no Start button, no search, no syste...

Fix Windows Search Indexing Service Not Running

If Windows Search stops returning results or the search box shows no activity, the indexing servi...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then nothing happen...

Fix Firefox Secure Connection Failed Error Due to Antivirus

You try to visit a website in Firefox and see a message like “Secure Connection Failed” or “PR_CO...

Fix Nginx Upstream Connection Refused Socket Error