GMER question...

Since I've asked a question, I might as well ask another... I've wondered why GMER behaves the way it does for me: I can only use it with the default options - when it runs, it scans, and then I cannot change the rootkit-related option. Or, rather, I can, but there is no way that I can scan the system again. I can change the right-click options, such as "IRP files scan", which are off by default, and I can select other drives than C:, which are also off by default, but when I try to click the "Search" button, nothing happens. It's unclickable. I can successfully use the "Copy" and "Save" button to copy or save the log, but the "Search" one just appears to be a blank, unclickable space...

This is how GMER's window looks for me (this is the latest version of GMER, from its site). I can click my blue arrow as much as I want, and that button won't respond...

http://img412.imageshack.us/img412/8038/gmerje2.gif