tt_vtx.ax is a TT_VTX.ax
belonging to TerraTec Home Cinema, Cinergy Digital 3, Cinergy TV
from TerraTec Electronic GmbH
Non-system processes like tt_vtx.ax 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.