• 1 Menu / 2 Settings / Preferences...
Opera Classic: Menu / Settings / Preferences...
Dialog Preferences
  • 3 Select the tab Advanced
  • 4 Select the Category Security
  • 5 Click on Manage Certificates...
Opera Classic: Preferences / Advanced / Security
Dialog Certificate Manager
  • 6 Select the tab Authorities
  • 7 Click on Import...
    and Open the file:
    MM3-WebAssistantProfessional/config/certificate/MM3-WebAssistant.cer
    Note

    The file only exists, if the WebAssistant was already running.

Opera Classic: Certificate Manager / Authorities
  • 8 In the next step you click on Install
  • 9 In the next step accept the Security Warning with Ok
  • 10 Exit dialog Certificate Manager with OK
  • 11 Exit previous Dialog Preferences with OK

Check

Please, check this settings now:
http://127.0.0.1:8080/httpsProxyConfiguration
You need the WebAssistant - Proxy Offline Browser for this check.

Opera Classic Certificate

MM3 WebAssistant - Proxy Offline Browser