Are you an Mac user? Is picasa not working on Mac ? If yes, then you are arrived at the correct place. Here you will know that what what is the reason behind this issue and how to fix it in an easy way. Let me tell you that the Picasa is a third party application which can be installed in computer. Its main role is to present or view the images in good way. There is so many features in this picasa application such as editing the pictures or uploading the pictures to the Internet. Apart from its effectiveness there is some issues that causes picasa not working on Mac. If you Mac computer is infected with severe virus then it damages the functioning of installed applications. So this might be the cause of picasa not working on Mac. The another reason behind this problem is abruptly shut down the system, corruption in the system file etc. These effects in computer will results to loss of data which are stored in Mac volumes. Hence it is advised you to take help of Mac data recovery software to get back the lost data. This software is suitable in all Mac computers and easy to use.