Earlier this week, when doing an emergency computer upgrade, Firefox gave me a weird problem. I installed Firefox, then when I tried to launch it, I got the popup dialog box stating that Firefox is already running. When, of course, it wasn’t–I’d just installed it.
There are a couple of helpful articles on Mozilla’s knowledge base. It didn’t quite solve my problem, but it pointed me in the right direction.
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David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.

