Linux Mint : Error : “Greeter Application Crashes”

Error :

In Mint 15 Cinnamon, on systems with nVidia chipsets, the login screen fails to “Enable accessible login” under the “Accessibility” tab, Big mistake, on the next reboot I got the following error :

” The greeter application appears to be crashing. Attempting to use a different one ”.

I was not able to login into Linux as the greeter kept crashing repeatedly.

Solution: 

The nVidia driver must be upgraded, by adding the xorg-edgers ppa, and installing an updated MDM and themes. Follow the instructions below and solved your error

Step 1. Install the updated nVidia drivers from the edgers ppa :

Use the following commands 

sudo apt-add-repository ppa:xorg-edgers/ppa
sudo apt-get update && sudo apt-get dist-upgrade

Step 2. Add the updated MDM and themes:

Use the following commands 

sudo add-apt-repository ppa:nilarimogard/webupd8
sudo apt-get update
sudo apt-get install mdm ubuntu-mdm-themes

Step 3. Reboot the system and 

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The problem should be completely resolved.