I've a computer run eav 4.2.76 for several months. No problem. Today, I try to upgrade 5.0.2122. But upgrade failed. So I run ESETUnistaller.exe in safe mode to uninstall first. Then go back normal mode, run eea 5.0.2122 again. But still failed. It rollback after show install driver. But I install eav 4.2.76 back, it still no probelm. The installation log is here.. (file size is to large, can't attach..) https://dl.dropbox.com/u/1612458/tmp/eea5-enu.log How to fix the problem?