I did the update too ~ and yes i got my startup back but only that which logon,logoff, restart sounds isn't there yet so i tried to fix it with that steps ~

I tried this and it works perfectly to me at least all sounds is back :


There are two User profile registry keys that have become corrupt or are missing:

...

Yes indeed it would fix only few sounds but

I tried this and it works perfectly to me at least all sounds is back :


There are two User profile registry keys that have become corrupt or are...

Try to follow this :
lick Start< Run and type regedit and hit enter. Once Registry Editor opens highlight Hkey_Current_User. Once it is highlighted look on the right column which will show a Reg_SZ...

Try to follow this :
Click Start< Run and type regedit and hit enter. Once Registry Editor opens highlight Hkey_Current_User. Once it is highlighted look on the right column which will show a...