Unicode font library could not be initialised

RISC OS 6.20 running on RPCEmu 0.8.14 (Win 7 Pro 64bit)

A few days ago I was using Netsurf okay, but this morning it will not run
reporting the subject line...

>From Reporter:

07:24:49.98 [024346C8/] WimpSlot -min 7279k -max 7279k
07:24:49.98 [024346C8/] Run <NetSurf$Dir>.!RunImage
2><Wimp$ScrapDir>.WWW.NetSurf.Log
07:24:51.44 [Appl/] RMEnsure SharedUnixLibrary 1.07 RMLoad
System:Modules.SharedULib
07:24:51.44 [Appl/] RMEnsure SharedUnixLibrary 1.07 RMLoad
UnixLib:Modules.SharedULib
07:24:51.44 [Appl/] RMEnsure SharedUnixLibrary 1.07 Error XYZ
07:24:51.86 [Appl/5E803A44] Exec
07:25:05.44 TaskInit &5E603A44 NetSurfKick CAO 3A51004 Slot 64K
07:25:05.45 TaskInit &5E803A44 NetSurf CAO 8000 Slot
7280K
07:25:05.55 ** WimpError ** from NetSurf
Error : &00000001
Message: The Unicode font library could not be initialized. Please
report this to the developers.
07:25:05.55 [Appl/NetSurf] Exec
07:25:13.06 [Appl/NetSurf] FontRemove NetSurf:Resources.Fonts.
07:25:13.14 TaskClose &5E803A44 NetSurf
07:25:13.14 [WindowManager/] Exec

Please.
Any ideas what's going wrong and possible solution.

Thanks
Dave

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Dave Triffid