Error updating from 5.2.2 to 5.3.0

[isumairu]

The title is pretty much all the detail I know.

Platform:

• Browser: Firefox x64 on Windows 10
• Browser Version: 66.0
  

[mymindstorm]

What does it say if you try to use the link here?

[isumairu]

[isumairu]

Update: Fixed.
The issue is caused by my disk's permission, I needed to run Firefox as an admin for the extension to be installed.
Thank you for this extension 👍