| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 5692 | 40.4 % | ||
 | Windows XP | 3675 | 26 % |  |
 | Windows (unknown version) | 17 | 0.1 % | |
 | Windows NT | 161 | 1.1 % | |
 | Windows ME | 3 | 0 % | |
 | Windows Vista (LongHorn) | 707 | 5 % | |
 | Windows 98 | 8 | 0 % | |
 | Windows 95 | 1 | 0 % | |
 | Windows 2008 | 1080 | 7.6 % | |
 | Windows 2003 | 21 | 0.1 % | |
 | Windows 2000 | 19 | 0.1 % | |
| Linux | 5136 | 36.4 % | ||
 | Ubuntu | 1301 | 9.2 % | |
 | Suse | 219 | 1.5 % | |
 | Red Hat | 1 | 0 % | |
 | Mandriva (or Mandrake) | 7 | 0 % | |
 | Gentoo | 26 | 0.1 % | |
 | Fedora | 39 | 0.2 % | |
 | Debian | 10 | 0 % | |
 | Centos | 2 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 3531 | 25 % | |
| Macintosh | 1141 | 8 % | ||
 | Mac OS X | 1141 | 8 % | |
| Others | 2120 | 15 % | ||
 | Unknown | 2012 | 14.2 % | |
 | Unknown Unix system | 101 | 0.7 % | |
 | Symbian OS | 7 | 0 % | |