There are a number of possibilities:
- A browser can get hung. If this is the issue, exiting and restarting your browser will fix this.
- Your browser can have a bug or be misconfigured. If this is
the issue, using a different browser will solve the problem.
- There could be an Internet problem. If so, the problem will normally go away within a few minutes at most.
- If none of the above apply, report the problem to us as described on the Help/Support page.