+ 0 Votes Slowdown can and will happen Toivo Talikka 7 years ago The resources of the computer are only limited and it has been verified with different anti-virus and other applications: http://tinyurl.com/kg46p However, a lot also depends on how you set up the anti-virus functions. Many anti-virus applications allow you to select if all the files are going to be scanned, or files with certain extensions only. The same with scanning files from network drives. If your server's anti-virus application has been set up correctly, you should not have to scan the files downloaded from the server. But talk about belts and suspenders, maybe you should. One option you should try if it is available is to scan only files that have been modified. Anti-virus applications can also have features that heuristically check for new viruses, or use 'sandboxing'. I'd be very careful in leaving these settings in place, just in case.