| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 30586 | 54.9 % | ||
 | Windows XP | 16913 | 30.3 % |  |
 | Windows (unknown version) | 1 | 0 % | |
 | Windows NT | 155 | 0.2 % | |
 | Windows ME | 7 | 0 % | |
 | Windows Vista (LongHorn) | 4606 | 8.2 % | |
 | Windows Mobile | 2 | 0 % | |
 | Windows 98 | 102 | 0.1 % | |
 | Windows 95 | 5 | 0 % | |
 | Windows 2008 | 8400 | 15 % | |
 | Windows 2003 | 266 | 0.4 % | |
 | Windows 2000 | 128 | 0.2 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 33 | 0 % | ||
 | OpenBSD | 17 | 0 % | |
 | FreeBSD | 16 | 0 % | |
| Linux | 17057 | 30.6 % | ||
 | Ubuntu | 6923 | 12.4 % | |
 | Suse | 589 | 1 % | |
 | Red Hat | 34 | 0 % | |
 | Mandriva (or Mandrake) | 99 | 0.1 % | |
 | Gentoo | 198 | 0.3 % | |
 | Fedora | 847 | 1.5 % | |
 | Debian | 67 | 0.1 % | |
 | Centos | 33 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 8267 | 14.8 % | |
| Macintosh | 4444 | 7.9 % | ||
 | Mac OS X | 4444 | 7.9 % | |
| Others | 3567 | 6.4 % | ||
 | Unknown | 3305 | 5.9 % | |
 | Unknown Unix system | 262 | 0.4 % | |