Apart from the 4GB RAM limit, the other main reason for my switching to 64-bit was simply... it's going to be the standard sooner or later. I just made a big spreadsheet of all my installed apps & drivers. Then I spent a good half a day on the interw...

I see your point. However, from a user's perspective, the LAST thing you want to have happen is all your little material tweaks disappearing the next time you load a library. There is a pretty standard range of materials that has existed in ArchiCAD ...

...What template??? I have lodged a support ticket and I hope they take the Australian Essential Library11 off their downloads page until it's sorted. I imagine there must be a lot of people out there who just didn't bother to update it so there may ...

YES!!! Problem discovered - but not solved. The Australian Essential Library which is a standrard library supplied by GS Australia causes any referenced materials to revert to defaults when it is loaded. I will let GS Australia know and will be surpr...

OK - but, this happens in a New & Reset file just loading the default ArchiCAD11 libraries (including the Essential library which is just in the Australian release) and our office library which hasn't changed since V10. I have done a "Find library pa...