Why does this issue happen?
If you have no clue how to do this, you should pay attention to the following content.
If not, you should then try the methods below.

Therefore, its essential to check your online grid connection after this issue comes out.
To confirm you have a great Internet connection, you could tryrestarting your router and modem.
If the connection is running well but the issue persists, you should try other solutions.
In this case, you’re free to attempt to bypass this problem by using the Incognito window.
Alternatively, you’re free to pressCtrl+Shift+Nto enter the Incognito mode.
To solve this issue, you shouldremove all extensions.
To repair it, you’re able to try clearing your web app cookies.
Tip:you’re able to learn how to update other browsers by following the articles below.
This way can help you fix this annoying issue in some cases.
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After that, you could save the desired files to a different hard drive for a backup.