Both of you, make sure there is internet connectivity when you log-in, RC4 will automatically download debug symbols for the appropriate files and the Aero Glass should start eventually. Oh good, I thought it was just my computer. Hi I am having same problem to and I have an internet connection. been getting the problem since the last windows 8 updates, it worked fine before them so cant be internet or web access or firewall problem. get this error message and running out of ideas Regards abun880007