There's no real way for me to reproduce that since I'm using Windows 7... Unless you mean when the open files dialog crashes, taking the app down with it. I've had random problems like that with Vista and windows 7. It's not WBM though, it's a bug that's been in Windows for a while. It happens to me randomly with any app, which is a pain in the arse if I've just spent an hour coding and decide to save the new file, only for Delphi to disappear and everything I've just spent an hour on is gone. It's definitely nowhere near as bad in Windows 7, but it still happens to me occasionally.
think i narrowed it down, i think the WBM, win7 pro and rar files doesn't mix, i can add the file if i click the "extract RAR before adding file to list", if not it would generate a .tmp file thats 4096KB in size and crash the program. Curiously it works fine in the old version (2.4) under win7, and at least the adding file part works fine under wine. Also if i click the "extract RAR before adding file to list", the extracted file stay in the .\temp\ directory after i quit WBM, is that intended behaviour?
QUOTEMaybe I could do the opposite of what ncWBFSTool does and enable "Simple drive detection". That would allow you to use only drives where letters have been assigned.