okh, I'm quite bothered by your report because you're the first Windows user to report a regression. Can you also check whether the version 5.3 Beta 6 works or fails?

Yes, it was a bit worrying. Sorry to be the bearer of bad tidings. I hope it is a quirk with this machine. On the other hand, it is the first time ever I have come across an issue og any significance with SH3D beta releases...

Yes, I can try to install beta 6, but I dare not do it until after work tonight or tomorrow (don't take a chance on interruptions at work). Meanwhile I have sent you (a link to) the dump file in case that may be of help. ok