Unfortunately you have not given us enough information to help you.
So, let us start with the details that will help us to help you.
1. What version of Premiere Elements are you using and on what computer operating system is it running?
2. If you say that "Video Share" stopped working, what specific export route and settings were you using when the crash occurred and at what stage of the export?
3. How did you set up your project
a. What are the properties of the source media...video and audio compression, frame size, frame rate, interlaced or progressive, file extension, pixel aspect ratio? What is the duration of the Timeline content?
b. What project preset did you or the project set to match the properties of the source media. If you do not know, please see Edit Menu/Project Settings/General and the readings for Editing Mode, Timebase, Frame Size, and Pixel Aspect Ratio, even if they appear to be grayed out?
a. Are you running the program Run As Administrator and from User Account with Administrative Privileges?
b. Do you have the latest version of QuickTime installed on your computer with Premiere Elements?
c. Is your video card/graphics card up to date according to the web site of the manufacturer of the card? How many video/graphic cards does your computer use, 1 or 2?
c. What is the description for your computer and its resources?
There is no one answer fits all for this type of question, and the answers are in the details that are lacking here.
So, please review the requested information and post the information to help us help you. We will help you gather any information that you may have trouble finding.