Hi all, I have used an nLite build for the last 1.5yrs and had this problem, and now have tried two new builds that are also experiencing the error. What happens is, when I close a program or an Explorer.exe window I get an "Application Popup:". This does not happen every time, maybe 50% of the time. The errors I get are these: x.exe (substitute any program for 'x'): "Application Popup: x.exe - Application Error: The application failed to initialize properly (0xc000012d). Click OK to terminate application." Explorer.exe "Application Popup: Proxy Desktop: Explorer.exe - Application Error: The exception unknown software exception (0x0eedfade) occurred in the application at location 0x7c812aeb. Searching the web has not helped. Very few addons integrated, different for each of the three builds (the first, that I used for 1.5yrs or more, had no integrated addons). I do not have Anti virus installed (no connection to that computer, currently), Internet Explorer is pulled out (though the "core" is still there). The only driver common to each build is NVIDIA graphics driver, but I believe it is a different release than I used a few years ago. I can post the configuration INI later, if it would help, but I am on a different computer at a WIFI spot, atm. This seems to be something that I removed, or maybe a service I disabled, but I have not done anything particularly drastic; most of the core components are still there. I am not using any Tweaks that I have not used on non-nLite OS's. I am wondering if anyone else has experienced this issue and if they resolved it. If I've managed to have this on three different builds, it must be somewhat common, no? Any help is appreciated. As I said I do not have internet at home yet, so any replies will be slightly delayed (till I get out to a coffee shop tomorrow ).