Hello I have just installed windows AeroGlass in 64bit 8.1 but it does not work and dwm.exe aerohost.exe are present in the task manager but no transparency, I added the registry key HKLM \ SOFTWARE \ Microsoft \ Windows \ DWM but not always the same transparency manually I also enabled AppInit_DLLs C: \ AeroGlass \ DWMGlass.dll LoadAppInit_DLL = 1 and created RequireSignedAppInit_DLLs = 0 I forgot some thing? thank you for your help