Following are the steps to delete files from the Entitlement Folder:
Launch Windows File Manager and head to C:\ ProgramData\ Intuit\Entitlement Client\v folder.
Now hit Ctrl + A to select all the files in the folder and press Delete.
Lastly, Yes for confirmation and access QuickBooks again.
For further queries, contact our support team at +1(855)-738-0359. Read How to Fix QuickBooks xml error?