Bitminter client v1.6.1 is out. Just a small maintenance release.

New:

• Improved stability and error handling
• Upgrade third party dependencies

Try it now:
https://bitminter.com/images/start.png

If you have a problem with 1.6.1 you can still load 1.6.0 from here: https://bitminter.com/client/1.6.0/bitminter.jnlp

If you restart the client and still see 1.6.0, try clearing your java cache. See http://www.java.com/en/download/help/plugin_cache.xml