When opening EPC.net and may get error “application blocked by Java Security” on SD connect c4 / c5 (Item No. SP100-E1 SP100-B, SP255, SP255-E).

Please do like this:

Go to Computer -> Start -> Control Panel -> Java -> Security -> In Exception Site List, copy and paste the following 3 links of EWA.
http://localhost:9000/
http://localhost:9000/EWA-net/Login/
http://localhost:9000/EWA-net/Login/start.do;jsessionid=09830CCA323DC5E3C3E9FB9A2EC1B32B.server1

One more question: which MB Star may have this error that I will notice?

Answer: if you got from obdexpress.co.uk, that is any of 

Buddies, MB Star EPC.net error “application blocked by Java Security” has working solution now, thanks to obdexpress.co.uk engineer.

Good luck!

http://blog.obdexpress.co.uk/2020/09/24/fixed-mb-star-epc-net-error-application-blocked-by-java-security/