Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I've noticed that I only have problems with the Market when my internal storage space is <14MB, it then won't update any apps, download any new ones and it also will not retrieve any e-mails sent to my gmail account.
Maybe it's worth looking into how much space you have left?