I've got some information and troubleshooting steps to share with you, @SD28.
Have you installed the QuickBooks Tool Hub in your computer? This tool can be used to deal with the network problems, company file damage, performance issues, etc. To single out this issue, let's run the Quick Fix my Program tool from the Tool Hub to end QuickBooks processes running in the background.
Please follow these steps to perform a mini repair on your software: