Sorry, I forgot to mention, I also had win7 in there.
the two commands I'm running are;
WINEPREFIX=~/ED_wine winetricks ie8 dotnet472 corefonts quartz vcrun2017 dxvk win7
WINEPREFIX=~/ED_wine wine "ED_wine/drive_c/Program Files (x86)/Frontier/EDLaunch/EDLaunch.exe"
Launcher first up. When loging in to my account, I can type in both text boxes (email / password). However, the dialog will not accept the email address until enter is pressed in the email address field (if enter isn't pressed you just get a "This is a required field." message), and it is at this point the Exception from HRESULT:0X88980406 error is generated.
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0310:err:eventlog:ReportEventW L"Application: EDLaunch.exe\nFramework Version: v4.0.30319\nDescription: The process was terminated due to an unhandled exception.\nException Info: System.Runtime.InteropServices.COMException\n at System.Windows.Media.Composition.DUCE+Channel.SyncFlush()\n at System.Windows.Interop.Hwnd"...
0310:fixme:advapi

eregisterEventSource (0xcafe4242) stub
Unhandled Exception: 0310:fixme:ver:GetCurrentPackageId (0031B320 00000000): stub
System.Runtime.InteropServices.COMException: Exception from HRESULT: 0x88980406
at System.Windows.Media.Composition.DUCE.Channel.SyncFlush()
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For the time being, I'm getting up a dual boot as I've a spare 240gb SSD I can throw Win10 on.