When I attempt to open a company file located on my computer system, I am experiencing QuickBooks Error Code H505 on a daily basis. QuickBooks is the efficient accounting tool that helps all business people to maintain the accounting entries in the simplified ways. This error code can display, while QuickBooks company file looks for some additional configuration. This error code is a worrying problem for me, hence I want to discuss this error code with all of you, guys. I am discussing this error code with the trained QuickBooks experts. Can anyone share the fast ways to resolve this error code?