Pain.NET aggravates me. I don't use it very often (which is the problem), but when I do, the pre-release version that I have installed has inevitably expired. Their decision to prevent me from using the app until I upgrade is frustrating and angering. All I want to do is resize an image. I don't want to have to upgrade a perfectly fine piece of software for this.
I know that they really want me to upgrade, but forcing me to upgrade is horrible. Since this has happened to me before I think I am going to go ahead an uninstall it. My time is worth more than this. A long time ago I installed the GIMP. I might have to give that a whirl again.