Because of the older version's bug,
if the editor doesn't open correctly and the circle logo loading all the time when opening,
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if the editor left side panel and right panel were hidden, click the pop up button can't pop them up,
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then you can delete the easyeda.preferences as below:
**1.Press F12, **
**2.Change the tab to "Application(Chrome)/Storage(Firefox)"**
**3.Choose "Storage > Local Storage >**[**https://easyeda.com**](https://easyeda.com)**"**
**4.Select "easyeda.preferences", and delete it.**
Chrome as below:
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FireFox as below:
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Chrome
65.0.3325.181
Windows
10
EasyEDA
5.4.1