That phone is getting pretty old so it could be a number of things. The first thing I would try is clearing the data on the android market. To do this, go into settings -> applications (or something similar) -> all applications -> android market and tap the clear data button.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.