personal.exe is a Nexus Personal
from Technology Nexus AB
belonging to Nexus Personal
. This File might sometimes be effected by a specfic Worm named - W32/Gallory-A. Link to - http://www.sophos.com/virusinfo/analyses/w32gallorya.html
Non-system processes like personal.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.