I love my fonts almost as much as I love my morning coffee (which, for a resident, means a lot) — but after I started looking into exactly why Paint.NET started hanging with after trying to select a font, I started finding out that fonts as a whole may be a problem for general computer efficiency.
I don’t have a fast PC. Its about 4 years old, and at 2.3Ghz / 1Gig Ram its pretty slow. Everything loads slow; multi-tasking often gives it angina, and having more than 10 tabs open on Firefox often pushes it into frank heart attack mode.
What I’ve discovered — through LifeHacker, natch, is that having thousands of fonts on your PC can be a top 3 reason why windows become laggy.
According to a study, “fonts” were sandwiched between Norton Antivirus 2006 and followed by Yahoo Instant Messenger.
So — I tried it out.

Paint.NET is a (very) small paint application 