Follow along with the video below to see how to install our site as a web app on your home screen.
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Hi Eric_Kalpakoff,
1) Please turn off "Smart Mouse" on your Virtual Machine. You can configure or disable this feature in the Virtual Machine configuration(http://kb.parallels.com/en/117287) > Hardware -> Mouse & Keyboard.
2) Try to switch between two options: Optimize for games and Don't Optimize for games in the Virtual Machine.
3) Enable/Disable smooth scrolling.
The detailed explanation is given in this link, please follow: http://kb.parallels.com/6909
If the issue still persists, please provide us the Ticket number via which you contacted Parallels Technical Support, we will check it and help you further.