Angela,
Please answer below queries –
1. From MyEclipse IDE menu options click on MyEclipse > Installation Summary > Installation Details and copy and paste the same here
2. From menu options click on Help > About MyEclipse Enterprise Workbench and copy and paste version-id and build-id here
3. How did you add RhoStudio? Please provide details such as update site URL or weblink to download the eclipse plugin for RhoStudio
For the DLTK issue, please do the following –
1. From MyEclipse IDE menu options click on Help > MyEclipse Configuration Center.
2. Goto Dashboard tab
3. Remove the feature – MyEclipse IE JavaScript Debugger (for windows only), by unchecking the checkbox preceding the same
4. Confirm the change and click on [Apply 1 change] under *Pending Changes* section
5. This will open a wizard which will guide you through the rest of the steps
6. When prompted, please choose to restart the IDE
Next retry adding RhoStudio plugin
Let me know how this works for you.
Best