I am a QuickBooks user and facing an error within it. My QuickBooks won't open, and this is hampering my work. I am unable to use my QuickBooks and this is making me unable to manage my financial works. Is anybody aware of the issue and its solution? If you know how to solve this QuickBooks won't open issue, let me know how I can solve this error in my system. The error in QuickBooks also making my PC slow and the Windows is responding slowly with the mouse and keyboard command. I need a solution to fix it as soon as possible, please give me any stable answer to solve this issue, so that it won’t come back. And I also want to know the causes of QuickBooks won't load issue so that I can work to make the condition better for my QuickBooks to work.