[Котяра]

...первая попавшаяся ссылка в Гугле http://www.microsoft.com/technet/pro.../09_xpfil.mspx To disable the file association Web service by setting a registry key 1. Open Registry Editor by clicking Start, clicking Run, and then typing regedit. 2. Navigate to the following registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System 3. Point to New in the Edit menu, and then click DWORD Value. 4. Type the following name: NoInternetOpenWith 5. Click the new entry (NoInternetOpenWith), and then select Modify in the Edit menu. 6. Ensure that Hexadecimal is selected, and then for Value data, type: 1 7. Close Registry Editor.

Отключается в реестре.