After installing the extension on Magento, if your site goes down or behave abnormally then you can Uninstall the Magento Extension from Magento Admin. To do so follow the steps given below: 1.Login to your Store Admin panel using username/password.

2.From top menu goto System >Magento Connect > Magento Connect Manager.


3.Then again login to Magento Connect Manager using Admin username/password.

4.Then on the Magento Connect Manager page, choose from dropdown menu and click on "Uninstall" and then click Commit Changes.