This tweak will disable the Windows Installer Rollback, this
will also faster msi installs
To do this, follow the next steps:
- Open the Registry Editor click on the Start button on
your taskbar, then click on Run and type "regedit" and click
on OK to start the regedit utility.
(see picture 1).
- Create a new DWORD value, or modify the existing value,
called "DisableRollback" and set it according to the value
- The modifications you made will be in effect after you reboot