In Safe Mode, Windows has reduced functionality, because only the core components have been loaded. In such an environment it is much easier to get rid of an application that has gone mad. Windows Safe Mode can be entered by pressing the F8 key before Windows boots up.
To edit Registry for your installer to work follow the steps below.
Start -> Run -> type CMD
In the window please type the below content
Code:
REG ADD HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer” /VE /T REG_SZ /F /D "Service"
Reboot your system
Try again.
