You can enter the code provided by the IT Dept here. It will allow Technical Support at GPS to remotely control your Windows PC as long as you have an active internet connection.
The BEST way to get help with any problem you may experience is to fill out a support ticket. This will automatically place in you in a queue and will get you the fastest help and response time.
If you're feeling technical, you can browse the Knowledge Base for a problem similar to yours. You never know, your problem may have already been addressed in another ticket.