Try these 2 fixes since Chrome, Edge etc no longer support TLSv1 or v1.1
Browser
Download, install & open Firefox or Waterfox
In the address bar go to about:config
In the search bar search for "TLS"
Near the bottom look for security.tls.version.enable-deprecated - change it from False to True
Test
You need java regardless of which BCM model.
Here is the java fix:
Edit the java.security file.
You may have to do this for every time java is updated, you can disable updates in java console if need.
Only necessary if you cannot attempt the above fixes at the time.
-Do NOT use Windows Explorer to do this.
-In Windows navigate to your Notepad icon and right click it's icon and select "Run as Administrator" (Win 10 users select More 1st).
-Using notepad select File then Select Open and navigate to Program Files/Java/YourVersion#/lib/security or 64BIT users "Program Files (x86)/Java/YourVersion#/lib/security
-In the far lower right hand side change "txt files" to "all files"
-Open java.security.
-Use the CTL + F command to start FIND
-Search for MD5 (ignore lines with # or Example at the beginning of the line) and remove these two references: MD5 (2 locations) and MD5withRSA (1 location), [highlight #FCE94F](Update Sept 2021)[/highlight] as for the line that has MD5with RSA you also need to remove TLSv1, TLSv1.1, as seen here : jdk.tls.disabledAlgorithms=SSLv3, TLSv1, TLSv1.1, RC4, DES, MD5withRSA, \
Ignore the rest further down the page.
-click file/save file
Old fix:
Use Windows IE11
Java 1.7