For now you can try to empty the cache of your browser, then quit the browser, restart the browser again, and then go to your renderosity. There you go to options and make sure you have all the preferences set the way you always used to. Then save changes, whether you have changed anything or not, just save it. Then all should be as you are used to.

If all of that doesn't work, maybe your computer need to have a reboot, then get to your options and do as i suggested

Hope that helps you.

Greetings and good luck

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