I did the following (note I have my system setup as Terminal Server on same server that runs QB)
 
Set Permissions to EVERYONE (And I did USERS as well) to FULL Control to following folders
- C:\Program Data\Intuit\Entitlement Client\v8
 - C:\Program Data\Intuit\Entitlement Client\v6.0
 - C:\Program Data\Intuit\Entitlement Client\v5
 - C:\Program Data\Intuit\Entitlement Client\v3
 - C:\Program Data\Intuit\Entitlement Client
 - C:\Program Data\Intuit\QuickBooks Enterprise Solutions X.0 (X = version) or C:\Program Data\Intuit\QuickBooks 20XX (XX = year)
 - C:\Program Data\COMMON FILES\INTUIT
 - C:\Program Data\COMMON FILES\INTUIT\QUICKBOOKS
 - C:\Users\Public\Public Documents\Intuit\QuickBooks\FAMXX (XX = year)
 - C:\Users\Public\Public Documents\Intuit\QuickBooks\Company Files
 - C:\Users\Public\Public Documents\Intuit\QuickBooks\Sample Company Files\QuickBooks Enterprise Solutions X.0 (X = version) or C:\Users\Public\Public Documents\Intuit\QuickBooks\Sample Company Files\QuickBooks 20XX (XX = year)
 
Perform steps for any folder listed below. Keep in mind you may not have all of these folders. Some are specific to certain versions QuickBooks Desktop:
- Right-click folder and select Properties.
 - On the Security tab, select Everyone.
Note: If Everyone is not listed in the Group or User Name checkbox, select Add and type in Everyone. Then select OK. - I also added the USERS group to the folders.
 - Select Full Control, then select Apply and OK.