I am having a windows vista compatible Dell inspiron laptop, this is specified with 320 GB hard drive, 3GB RAM, Intel dual core processor along with this NVIDIA GEforce graphical interface. Along with this I recently installed bitdefender internet security 2010, but after install this security tool, I am facing a slow performance in my system. Whenever I tried to open any application, it responds very slowly. Along with this I also saw that the system is also having as lowly performance regarding nay operation. After that when I switch to the process tab under task manager I found that a process named as vsserv.exe, is occupying 100% of CPU access. When I tried to kill that process, it flashes that this might be cause of your windows security. What to do now? any suggestion regarding this will be appreciated greatly.