There is also a likelihood of a folder in your application data folder that you will want to look for and delete, if present.
The path will be C:\Users\(your user name)\AppData\Roaming\Cakewalk
If you are running Windows with the default setting of hiding hidden files/folders, which is fine, you will not see this one, but if you copy the above path and paste it into Windows Explorer, then replace the '(your user name)' with your user name and hit Enter, it will still find the folder.
Within that folder, you want to look for a sub-folder for the version you are trying to do a clean removal for, and if present then delete it.
So if I wanted to get rid of Sonar X2 from my system, the sub-folder I would be looking for would be: SONAR X2 Producer.
A GREAT many issues can be resolved by posting a separate thread for each issue, and giving the rest of us in the community forum the opportunity to assist you in getting your issues fixed.
This forum is chock full of folks who will bend over backwards to help you, myself included, so please:
1. Complete the removal of your other installation by deleting those registry keys per the other post
2. Perform the search/delete per my post here
3. Install Sonar again, making sure to follow the published installation instructions (Run As Administrator, temporarily suspend antivirus software, etc)
4. Begin documenting each issue you are having, and then create 1 new thread for each separate issue you have with running Sonar, including as much relevant detail as you can, and we will get to work helping you get past your posted issues.
Please do one more thing, PRIOR to posting the threads with your issues. It is VERY helpful for us in the forum community to see your system specs, so that we can better understand your system - this helps us diagnose issues. To do this, look at the bottom of my post, and perhaps specs from a couple of other folks, to get an idea of the kind of specs we list. Then, at the top of the forum page, click on User Control Panel and add your specs to your Signature tab. Make sure you also check the box for the option that tells the forum software to Always Attach Signature to Post.
After doing the above, we will see your specs listed every time you post, and it will make things easier for us to help you, which will get your issues resolved quicker.
Please give us a chance to help you,
Bob Bone