To uninstall Windows Internal Database

1. Open a command shell.

2. Call msiexec with the correct key for the operating system platform.

   On 32-bit platforms:

   msiexec /x {CEB5780F-1A70-44A9-850F-DE6C4F6AA8FB} callerid=ocsetup.exe

   On 64-bit platforms:

   msiexec /x {BDD79957-5801-4A2D-B09E-852E7FA64D01} callerid=ocsetup.exe

[http://technet.microsoft.com/en-us/library/cc708610.aspx]

SharePoint, Microsoft Windows Server or another Microsoft-based server solution may install by default the Windows Internal Database in the %windir%\\SYSMSI\\SSEE directory.