The Anti-Virus sicurametne are essential, unfortunately, but they are also among the most invedenti programs in their facilities.
Very often also the normal uninstall still leaves traces that can cause small and big problems, such as to avoid the installation of an Anti-virus of a different manufacturer.
Here are the official cleaning tool of the major manufacturers:
If the file is in use and therefore impossible to remove try using Unlocker
October 25, 2009 23:04
[...] To remove Anti-Virus already installed read here: Tool to uninstall Anti-Virus [...]
January 21, 2012 23:36
[...] Uninstall Tool Anti-Virus [...]