I know similar questions have been asked before, but I\'ve tried many times and it still doesn\'t work for me.
I only have a default profile in firefox (called c1r3g
Moreover, you can use double backslashes in the path:
fp = webdriver.FirefoxProfile('C:\\Users\\admin\\AppData\\Roaming\\Mozilla\\Firefox\\Profiles\\c1r3g2wi.default')
browser = webdriver.Firefox(fp)
Ok, I just solved this by simply changing all the slashes in my file path from "\" to "/". Never knew this would make a difference.
C:/Users/admin/AppData/Roaming/Mozilla/Firefox/Profiles/c1r3g2wi.default