| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 5450 | 68.3 % | ||
 | Windows XP | 4130 | 51.7 % |  |
 | Windows (unknown version) | 20 | 0.2 % | |
 | Windows NT | 190 | 2.3 % | |
 | Windows Vista (LongHorn) | 383 | 4.8 % | |
 | Windows Mobile | 1 | 0 % | |
 | Windows 98 | 102 | 1.2 % | |
 | Windows 95 | 6 | 0 % | |
 | Windows 2003 | 214 | 2.6 % | |
 | Windows 2000 | 404 | 5 % | |
| BSD | 4 | 0 % | ||
 | FreeBSD | 4 | 0 % | |
| Linux | 1350 | 16.9 % | ||
 | Ubuntu | 136 | 1.7 % | |
 | Suse | 9 | 0.1 % | |
 | Red Hat | 3 | 0 % | |
 | Mandriva (or Mandrake) | 7 | 0 % | |
 | Fedora | 3 | 0 % | |
 | Debian | 10 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 1182 | 14.8 % | |
| Macintosh | 422 | 5.2 % | ||
 | Mac OS X | 407 | 5.1 % | |
 | Mac OS | 15 | 0.1 % | |
| Others | 749 | 9.3 % | ||
 | Unknown | 738 | 9.2 % | |
 | Sun Solaris | 7 | 0 % | |
 | Symbian OS | 2 | 0 % | |
 | BlackBerry | 1 | 0 % | |
 | QNX | 1 | 0 % | |