It is possible that a program is running in the background, actively blocking that website.
My recommendation is to use a proxy site (www.proxy.org) to visit kaspersky's site.
C:\Windows\System32\config and C:\Windows\System32\drivers
1. C:\windows\system32\drivers and c:\windows\system32\config
c:\Windows\system32 or c:\Windows\system32\drivers and have an .exe , .dll or .sys A+ Guide to software page 305
1. C:\windows\system32\drivers and c:\windows\system32\config
C:\windows\system32\drivers and c:\windows\system32\config
C:\WINDOWS\system32\drivers\etc
1. C:\windows\system32\drivers and c:\windows\system32\config
<windows>\system32\drivers\etc\hosts
c:\windows\system32\drivers\usbport.sys
c:\windows\system32\drivers\usbport.sys
C:\Windows\system32\restore, C:\Windows\registry\backup, C:\Windows\system32, C:\Windows\registry, C:\Windows\system32\config, C:\Windows\system32\config\RegBack
parport.sys - usually located in C:\Windows\system32\DRIVERS\