Windows may be creating and/or retaining incorrect Compatibility Mode settings for Quicken. Try this:
Windows may have an old Compatibility association with the desktop icon (shortcut) for Quicken. Try this:
Your Windows User Account doesn't have sufficient permissions to use Quicken. Try this:
Note: You may need to confirm that your Windows User Account belongs to the Administrators policy group. From the Windows Start button choose Control Panel, click on User Accounts > Change Account Type.