I have gone to -
Sandbox Settings > Resource Access > COM Access
and added - OpenClsid={D713F357-7920-4B91-9EB6-49054709EC7A} as shown on www.sandboxie.com/SBIE2327
It has made no difference at all, the error panel still comes up even though I have updated my Sandboxie version to 5.31.6 - 64 bit.