If possible, we recommend using Chrome browser.
First, in Chrome, run 'New incognito window
(Ctrl + Shift + N)' to access goormIDE.
If it works properly in an incognito window, please follow the steps below.
1. In your existing Chrome browser, click "Clear browsing history" under the "History" menu.
2. Check 'Cookies and other site data' and 'Cached images or files' and then 'Clear browsing history'.
3. After the cache data has cleaned up, it will be reconnected.
Please stop the currently running anti-virus program and connect goormIDE again.
If you can not solve the problem after trying the above steps, please contact goorm customer center(firstname.lastname@example.org) and we are happy to help you.