Ans: If you end the QuickBooks process, it won’t harm windows in any manner. There are certain processes that are essential for windows. If you close any of these processes, windows will crash immediately because the process required to run windows. However, you can restart your system and start working again. But ending the QuickBooks process has no impact other than that the program instances will be closed. And you’ll have to find and end all QuickBooks instances; otherwise, you won’t be able to install the update.