Terminal Services ActiveX Control issues in IE

Couldn't access Quickbooks Online on a XP machine, IE8 fully patched. Despite support advising to 'enable the ActiveX control', I was unable to see/enable the Terminal Services ActiveX control in IE7/IE8 on XPSP3. The fixwas to delete the following registry keys:



Once you delete these keys, the ActiveX control should be enabled.

 Solution sourced from here