Because of the older version's bug,
if the editor doesn't open correctly and the circle logo loading all the time when opening,
if the editor left side panel and right panel were hidden, click the pop up button can't pop them up,
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:
FireFox as below:
