When you working on multi-screen with lots of windows open, multi-tabbed Acrobat hides "Adobe Acrobat Reader has finished searching the document. No more matches were found." message somewhere and stop accepting any clicks... until you find the message and click "OK". Sometimes, I can't find it and need to kill the process. Do you have the same issue?
Same issue. I sometimes have to do dozens of searches per hour. I also work with a multi monitor setup and every time this happens have to rearrange windows to find the message. This is a huge drain on my productivity.