Hi, Can somebody please point me to the thread that deals with Vista activation problems on W7+Vista dual boot systems? I think I saw it here in the past, but I don’t seem to find it. I have made Vista32-bit/W764-bit dual-boot system on my Acer laptop, I’ve activated W7 using the W7 loader (by Daz?) and everything worked well until today. I've booted to Vista this morning, and I got prompted to activate it. I also have the ugly “This copy of Windows is not genuine” stamp in the right-bottom corner. I tried to fix it by installing the ACER certificate and OEM serial, but it didn’t help. I have manufacturers original BIOS with SLIC 2.0, so I don’t understand why it suddenly stopped working.