Trade Problems

There have been a lot request to your trade offers page. This may be caused by browser extensions accessing your trade offers too frequently.

There is your answer.

There is no captcha on steam. Its one of your extensions.

Its most likely just a security measure to make sure you aren't a bot that is doing multiple trades rapidly (due to an extension it seems, is it possible that something was causing the trade offers tab to refresh rapidly?)

Regardless of the origins, why not just enter the code as it says?

It can't be idlemaster.