| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4926 | 34.3 % | ||
 | Windows XP | 2770 | 19.3 % |  |
 | Windows (unknown version) | 21 | 0.1 % | |
 | Windows NT | 103 | 0.7 % | |
 | Windows Vista (LongHorn) | 712 | 4.9 % | |
 | Windows 98 | 9 | 0 % | |
 | Windows 2008 | 872 | 6 % | |
 | Windows 2003 | 21 | 0.1 % | |
 | Windows 2000 | 418 | 2.9 % | |
| Linux | 5807 | 40.4 % | ||
 | Ubuntu | 1523 | 10.6 % | |
 | Suse | 19 | 0.1 % | |
 | Red Hat | 1 | 0 % | |
 | Mandriva (or Mandrake) | 3 | 0 % | |
 | Gentoo | 27 | 0.1 % | |
 | Fedora | 62 | 0.4 % | |
 | Debian | 16 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 4156 | 28.9 % | |
| Macintosh | 1490 | 10.3 % | ||
 | Mac OS X | 1490 | 10.3 % | |
| Others | 2124 | 14.8 % | ||
 | Unknown | 2040 | 14.2 % | |
 | Unknown Unix system | 80 | 0.5 % | |
 | Symbian OS | 4 | 0 % | |