| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4916 | 77.4 % | ||
 | Windows XP | 4016 | 63.2 % |  |
 | Windows (unknown version) | 68 | 1 % | |
 | Windows NT | 15 | 0.2 % | |
 | Windows ME | 5 | 0 % | |
 | Windows Vista (LongHorn) | 204 | 3.2 % | |
 | Windows Mobile | 18 | 0.2 % | |
 | Windows 98 | 80 | 1.2 % | |
 | Windows 2003 | 238 | 3.7 % | |
 | Windows 2000 | 272 | 4.2 % | |
| BSD | 8 | 0.1 % | ||
 | FreeBSD | 8 | 0.1 % | |
| Linux | 359 | 5.6 % | ||
 | Ubuntu | 33 | 0.5 % | |
 | Suse | 56 | 0.8 % | |
 | Red Hat | 7 | 0.1 % | |
 | Mandriva (or Mandrake) | 2 | 0 % | |
 | Fedora | 14 | 0.2 % | |
 | Debian | 1 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 246 | 3.8 % | |
| Macintosh | 85 | 1.3 % | ||
 | Mac OS X | 74 | 1.1 % | |
 | Mac OS | 11 | 0.1 % | |
| Others | 983 | 15.4 % | ||
 | Unknown | 976 | 15.3 % | |
 | Symbian OS | 3 | 0 % | |
 | Unknown Unix system | 3 | 0 % | |
 | Sun Solaris | 1 | 0 % | |