I installed this on my 10.4.11 system and strange things started happening to some applications. They all started to hog the CPU intermittently. The worst affected ones were Eudora, DragThing, LittleSnitch, and PhotoShop CS2. I couldn't get anything done and had to reboot to get my system back as ForceQuitting the application wouldn't fix the problem. It would just do it again later.

I thought it might be Flip4Mac and related to Quicktime as samples of the affected applications when they had this problem were looping deep inside the OS. It turns out Visage was the cause. Once I reset everything and ripped it out, the system became stable again.

I've asked for my money back for this. It was a waste.