If you are trying to run a Word Merge from Chintaro, but you are getting an ActiveX error message, it will appear as the image below:
To fix this, you need to change your Trust Centre Settings is MS Word.
Open MS Word, and go to File > Options:
Click Trust Centre, then Trust Centre Settings:
Click ActiveX Settings and click 'Enable all controls without restrictions and without prompting':
Click OK. You will now be able to successfully Word Merge in Chintaro.