Run Malwarebytes. If it finds anything remove it and save the log. Then Copy/paste the log here in a reply for review. Then run AdwCleaner and remove all unless you know that something is a keeper. Paste log here as well. It is very likely that if you have malware/adware, if so, you may have to run a couple of additional cleaners to be sure that it is all gone.
You have to be a little bit crazy to keep you from going insane.
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