These are the troubleshooting steps we take whenever any issues like this arise:
clearing your browser cache and cookies > http://www.google.com/support/accounts/bin/answer.py?hl=en&answer=32050
using the browser with all extensions or add-ons disabled
updating the browser to the latest stable version (not a buggy BETA browser version) http://browsehappy.com/
confirming third party cookies is enabled http://support.google.com/accounts/bin/answer.py?hl=en&answer=61416
confirming JavaScript is enabled http://www.google.com/adsense/support/bin/answer.py?answer=12654
confirming Flash is updated http://www.adobe.com/software/flash/about/ and if required installing the latest version of Flash http://www.adobe.com/products/flashplayer/
resetting your router and modem and rebooting your computer
then logging in using the secure https:// log-in see http://en.support.wordpress.com/https/
trying another browser

If those do not work we need to know:
(1) how are you connecting to the internet and to WordPress.com. The way you connect to the internet (mobile, satellite, DSL, dial-up) and to your blog, and how many proxy server jumps etc. it takes to connect can cause problems. There maybe be problems with your ISP and/or with the proxy servers.

(2) Exactly which browser and version of it are you using. If you don’t know click here to find out > http://whatsmyuseragent.com/

Would someone be able to help please - this is our Hockey Clubs website and it needs to be updated and current.

http://www.modshockey.org