Looking on the internet deeply has found these results:

I advise you is the most popular phrase on the web.

I advice you 136,800 results on the web	I advise you 14,150,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
time have the courage to try again one more time and always one more time. Feb 3, 2014 ... So “I advise you” is fine, “I advice you” is meaningless gibberish. And yet a casual Google search shows up nearly 4.7 million. examples of this ... In addition to the advice already given by others here, I advice you to contribute to open source software that you use in a regular basis. Fix bugs. Add features. What I would I advice you is, no matter what the situation is, keep going and every Feb 21, 2015 ... I advice you all to dance around naked in your rooms to this song. It's the one x http://instagram.com/p/zXXaSzR2QB/. Retweets 858; Favorites ...	I advise you to do the same. I advise you to hand over whatever it is you found. I advise you to leave Shizuko. I advise you to drive over to the Tropicana. As your legal counsel, I advise you to peruse the following exhibits. I advise you, do not answer that question. Exactly why I advise you to hire my successor. As your attorney, I advise you to marry her immediately.

I advice you

136,800 results on the web

I advise you

14,150,000 results on the web

More popular!

time have the courage to try again one more time and always one more time.
Feb 3, 2014 ... So “I advise you” is fine, “I advice you” is meaningless gibberish. And yet a casual Google search shows up nearly 4.7 million. examples of this ...
In addition to the advice already given by others here, I advice you to contribute to open source software that you use in a regular basis. Fix bugs. Add features.
What I would I advice you is, no matter what the situation is, keep going and every
Feb 21, 2015 ... I advice you all to dance around naked in your rooms to this song. It's the one x http://instagram.com/p/zXXaSzR2QB/. Retweets 858; Favorites ...