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A lot of people who asks questions here don't bother to read the replies and see that their question(s) has already been answered. Really people, how do you expect to succeed in freelancing if reading or comprehending a short thread is too much?
Sorry readers, I just have to get that out
1. Open your Control Panel, select Internet Options, then click the Advanced tab.
2. From the Settings pane, scroll down to the Security section and uncheck the boxes to disable all SSL protocols and check the boxes enable all TLS protocols.
3. Save settings.
4. If odesk app running, close app. Then try to login again.