Wordpress flash image uploader http error

The last time this happened to us was several days ago, after the hosting transfer, so I thought to share with you several solutions that may help you solve this problem. It can also happen when your image size is fine, but the server is just not liking it. Any help would be greatly appreciated.
Wordpress flash image uploader http error
However, the light blue color of the desk lends a fun pop of color. The server is therefore not able to host it. You will need to solve this problem.

It can happen for a number of reasons.

Wordpress flash image uploader http error
My heart sank a little because I wanted one simple answer and didnt want to try a lot of different solutions. If this doesnt work, you are either a using shared hosting with a non-typical or overly paranoid configuration or b your Flash plugin doesnt work properly.