MATLAB: Do I get the error message ‘Unable to open Add-On Explorer’ when trying to launch the Add-Ons Explorer

add-onerrorMATLABSecurity

When trying to launch the Add-Ons Explorer within MATLAB, why do I get an error message stating:
Add-Ons Error
Unable to open Add-On Explorer

Best Answer

The error may be caused by security software on your machine. Please try temporarily disabling any security software and access the Add-Ons Explorer again. 
If you still have trouble after disabling your security software, please contact us directly for support using the below link:
https://www.mathworks.com/support/contact_us.html
Related Question