Safe mode is one feature of the Windows operating system that is very useful to repair errors or problems that occur in the system, which can not be done at boot normally. Problem frequently encountered is usually the problems associated with viruses, or unstable system, computer hangs, computer can not boot normally. Many are recommended to perform a virus scan in safe mode condition, regedit change or it could be to restore the state before the problem / damage by using system restore.
To get in in safe mode can be done by pressing the F8 key on your keyboard when the computer is booting. By using the navigation buttons or the up and down arrows select safe mode and then press enter.
Under conditions of safe mode, not all features and services can be run as a normal condition at the time. For example, we can not do uninstall a program when in safe mode. This is because computers can not access windows installer service. If we do the uninstall command in a program in safe mode, then the message will appear as shown below.
"The windows installer service Could not be accessed. ... ... "
Well ... to be able to uninstall programs in safe mode condition, it is necessary to do a little setting in the registry editor.
Go into the registry editor by clicking Start, then type "regedit" and press enter.
Once the registry editor window appears, go to HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ safeboot \ Minimal
Right-click on the folder minimal, then select New and click Key.
Give the name of that key with MSIService
In the right pane double click on default and change the value data to Service
Close the registry editor window.
To enable windows installer service in safe mode, or a friend need a freeware tool called SafeMSI. Download it at the link below.
After that double click on freeware, and now you have windows installer service is active.
Now my friend was able to uninstall programs in safe mode condition.
Link download SafeMSI