In addition to the information in the previous post, this issue can also be found in our online KnowledgeBase, found at the following link: appsnet.bentley.com/kbase. You can use search terms to find problem/solution sets for issues that have come up in the past. For more information on mouse trails, you can enter the solution number, which is 29148.
The KnowledgeBase contains many solutions for potential issues, and can be a good resource for common issues, such as the mouse trails issue.
Regards,
Scott Kampa
Bentley Technical Support