registrybooster.exe is a process which belongs to the UniBlue Systems Registry Booster application which is vital for keeping your computer stable and error-free and should not be terminated. Registry Booster is the safest and most trusted solution to clean and optimize your system, for more information on this product please go to http://www.uniblue.com
Non-system processes like registrybooster.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you
check your registry to identify slowdown issues.