tezbox web wallet does not work when upgrading to firefox 68.0.1

[tibecar]

"tezbox web wallet" does not work locally when upgrading to firefox 68.0.1 (64)
When I download
https://github.com/tezbox/web-wallet/archive/master.zip
And start online or offline unzipped c:/web-wallet-master/index.html
it show me blank page and freeze.
Chrome, Brave browsers are also affected and does not work.

When I downgrade to
Firefox 60 OSR or Firefox 67
https://download.mozilla.org/?product=firefox-esr-latest-ssl&os=win64&lang=en-US
https://www.mozilla.org/en-US/firefox/organizations/all/
"tezbox web wallet"
unzipped c:/web-wallet-master/index.html begin works correctly online and offline.

Try download https://github.com/tezbox/web-wallet/archive/master.zip
And start it from firefox 68.0.1 (64)