It is likely due to using a browser that does not support the required features.
All it takes is going to the Adobe site using a different browser.
If you are using an older browser, updating your software might help.
And for those who feel safe because they use a non-Microsoft browser?
If you really need it, then I think the better - a workable compromise is to use a different browser.
By using an existing browser, the development and maintenance are simplified.
So he would have to explicitly open himself to an exploit using a browser or some sort of surfing.
I'd say clean install or just use another browser.
Use a secure browser when shopping online to guard the security of your transactions.
The interface is available as a web application, accessed using a browser.