Try resetting Safari. Under 'Settings', select the 'Reset Safari' option. I checked every option available and was able (for the first time in three days) to log in and access my MobileMe email on Win XP PC.
I have not moved my account to iCloud as I'm waiting for a few days...
Hope this helps!
I have not moved my account to iCloud as I'm waiting for a few days...
Hope this helps!