6 silly mistakes behind AdSense account disabled.

1. Hurry to make revenue: After getting an Adsense account approved, lots of new publishers are trying to make some decent amount of generating illegal clicks on Adsense ads, like-telling some friends to click, generating clicks through paid traffic, clicking own ads, etc.
2. Wrong placing Ad unites: Lots of publisher are placing their AdSense ad unit into that place where visitor may puzzled to choose between website link and Google ads link. This is a way to generate more clicks. Because most of visitor clicks Google ads considering as a link of the website. this type of click is called accidental clicks. Google has strictly prohibited to not place ad unit into that place where has a chance for accidental click.
3. Sudden increase in CTR: If you have low traffic and one of your competitor continiosly click on your AdSense ads then your CTR will rise suddenly. It is one of the cause of account cancellation. Google loves to see a definite CTR in any AdSense account, and for that Google specialist are always monitoring the ratio of clicks and impressions. Accidental clicks may be a cause of sudden rise of CTR.
4. Promoting websites or blogs in wrong ways: A publisher should not promote his/her website or blog through paid for click system, through link exchange, auto traffic generator, any kind of software etc. If you do this then Google will terminate your account without any notice.
5. Spam comments: If you have a blog with Google AdSense. Then don’t try to promote your blog through giving comments others blog. Your comment will be marked as spam. Spam comment generally containing some greeting word like- wow, what a nice post!, This is very nice post, etc. They are never reads article, only gives comments to promote there blog. Now if you also following the same way to promote your blog, then your blog will be marked as spam. And Google never likes spam. 
6. Writing content by violating AdSense terms and conditions: Some time in pressure of writing it is very hard to watching that our content is violating Google policy or not. A single mistake will be a cause of termination of your ADSense account.

For more information about AdSense account termination, you can go to the AdSense help center.

1. Why AdSense is better than others?
2. The benefits of AdSense two-step approval process.
3. Genuine way to approve AdSense account.