| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 152 | 77.9 % | ||
 | Windows XP | 109 | 55.8 % |  |
 | Windows NT | 4 | 2 % | |
 | Windows Vista | 27 | 13.8 % | |
 | Windows 2003 | 6 | 3 % | |
 | Windows 2000 | 6 | 3 % | |
| Linux | 7 | 3.5 % | ||
 | Ubuntu | 5 | 2.5 % | |
 | GNU Linux (Unknown or unspecified distribution) | 2 | 1 % | |
| Macintosh | 15 | 7.6 % | ||
 | Mac OS X | 15 | 7.6 % | |
| Others | 21 | 10.7 % | ||
 | Unknown | 19 | 9.7 % | |
 | Symbian OS | 2 | 1 % | |