The Windows Installer service could not be accessed

Got error message while opening Microsoft programs "The Windows Installer Services could not accessed."

Run->type "services.msc" press ok


Searched Installer service
status - unable to find it

Register the blow mention command, your issue may resolve.

Using Syntax-:

1. Open run command: run-> (type there) msiexec /unreg

2. Open run command again: -> (type there) msiexec /regserver

After registered this command, you can use or access Microsoft programs.

Apply on windows XP pro with Service Pack 3