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Having issues with Word add-in's. They install fine, but when we open word we receive this message. If we join the PC back to WORKGROUP, that add-in works fine, but as soon as we move it back to the DOMAIN we receive these errors. Looks like some permission issue but cannot narrow it down what may be causing it. Doesn't matter if it is an administrator account or normal local user.
It isn't just this Add-In, there are several others with the same issue. Have tried installing as admin, tried installing without elevated privs, same results.
Tested on Win 11 Pro, Win 11 Ent, and Win 10 Pro - all 64 bit.
Any thoughts? See error below.