Since updating wordpress I've had users getting the following message and also not being able to reset their password. Deactivating BB sorted this issue. Is there an compatibility problem?
"I am having trouble logging in to the website and keep getting error messages such as:
We're sorry, but we could not fulfill your request for /login/ on this server.
Your proxy server sent an invalid request. Please contact the proxy server administrator to have this problem fixed.
Your technical support key is: xxxxxxxxxxxxx
You can use this key to fix this problem yourself.
If you are unable to fix the problem yourself, please contact xxxxxxxx and be sure to provide the technic"