I have previously searched and found a similar issue, but with no result.
My problem is, when I try to login to wp-admin I am told my password is incorrect (even though it isn't).
I have reset the password through the password reset, no luck.
Re-named the plugin and themes folder, no luck.
Tried multiple browsers and multiple PCs, no luck.
However, if I try to login from my home (or work) PC. I am given the issue above, but when logging in from my mobile or 3G, it will allow me to login. Yet, when I try via WiFi, I have no luck.
I did think this may be an IP related issue, but I still can't login when plugins are deactivated, or at work and I can gain access from where I'm "cookied" in from a previous login.
Does anybody have any suggestions?