Just an FYI, but did the upgrade to Windows 10 the other day on my field and fixed APRS machines. So far, no problems with YAAC. Win10 does replace IE with Edge, and you can't check Java versions in Edge, Chrome, or Opera; however IE is still in the file system so it is easy enough to create a new shortcut or you can use Firefox.
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Just an FYI, but did the upgrade to Windows 10 the other day on my field and fixed APRS machines. So far, no problems with YAAC. Win10 does replace IE with Edge, and you can't check Java versions in Edge, Chrome, or Opera; however IE is still in the file system so it is easy enough to create a new shortcut or you can use Firefox.