Hi Muhammad Shoaib,
Could you please try using a different browser or clear your cache and cookies? If that doesn't resolve the issue, please let us know so we can assist you further.
This is the error message I keep getting: We have detected some problems with your uploaded portrait image:
Please consider uploading a more appropriate portrait image.
I've tried all kinds of pictures and have consequently resized to 250x250 but all efforts have proved abortive.