I had the exact same problem after upgrading my unit (60e) to the same firmware, however using Edge I was able to see the GUI without a problem. It was not a Chrome issue either, I believe it is a bug.
So I upgraded my firmware to 6.0.4 and that fixed the issue, looking at the release notes they make mention to a similar issue with the GUI. Now it is working fine with Chrome.
If you do not want to upgrade you can try using an alternative browser.
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