Run OTL and hit the cleanup button. It will remove all the programmes we have used plus itself.
When you do the above, you will remove almost all of the tools I had you use. It's best to remove them, as they are updated all the time, and a fresh copy can always be downloaded.
If there are any of the tools we used left over on your desktop you can simply right click and select delete for each one of them.
Malwarebytes is a great on demand scanner you can run once a week or so, unless you opt to buy the pro version. I do recommend the pro version if you can afford to purchase it, as it's active protection and will prevent many adware type programs from installing.
Everything that I recommended will not conflict with Mcafee, they can co-exist on your computer.