This error is generally caused by the use of “some” virus protection and software security platforms. 

To correct this error you will need to download the following DAO Library Reg Key.

Save the attachment to your local machine, unzip the “DAO Library.reg” file and save it to your desktop and then double click on it.

When prompted click on Yes to the warning Prompt about merging, and then click OK.

Restart OmniTrader and the problem should be solved.