1. you can build any project on windows virtual machine. On some very rare cases I do.
I mean, this may have repercussions on other people's projects, because I keep building Gena, Win7PE and Win8.1SE on this same system and it never fails,
Like you, I'm surprised that works. Ever since my feeble attempts at WinPE3 on a 'technician machine' where the OS you were trying to build HAD to be the same as the OS of the machine you build on, I thought they had to be the same. Well, MSFT said they had to be the same. but, I have always usedWin10PESE x64 is built on a Win10Home x64 machine,Win7PESE x64 is built on Win7 Pro x64 machine,and BartPE x86 is built (not in a long time!) on WinXP x86 machine.Time marched on ...
Apparently this behavior is part of it's default defense mechanism, particularly the sandbox. The interesting thing about it is that it is persistent, it still does this even if you disable all security functions and exit the app from the tray icon. I had known this but I tend to forget it very often because most of the time it's not a problem. But as I just became aware it seems that Windows 10, as opposed to (all?) previous Win OSes, has a problem with having it's executable files carry a different time-stamp which is kind of a good thing... maybe. In conclusion, the solution (which did not require to uninstall the A/V) was to go to Comodo's "Advanced Settings > Security Settings > Sandbox > Auto-Sandbox" and disable the setting "Enable file source tracking".