p189xdlg.dll and files like it will cause all kinds of difficulties like annoying computer errors and really slow down your machine. Overtime, your system will hit a perilous overload, causing the dreaded STOP messages, critical error messages, or even a blue screen, rendering your computer useless.
Registry problems can present themselves as anything from an error message to an extra couple seconds in the function of an application. If your computer is showing any of these signs, or you have loaded on any new programs lately, you should head over to ZookaWare PC Cleaner for a free scan. If you can catch these issues before they are allowed to destroy the contents of your hard drive, you will have avoided a nightmare.