I have been recently struggling with this error. At first it manifested with my printer app days after installing the XBox Beta App. Then other apps that I use infrequently started reporting the...

Highlight this: slmgr.vbs -dli Then do A or B below:

A:
Press Ctrl+C
Press :start: Key+R
Press Ctrl+V
Hit Enter


B:

I must thank you for your Tree View. Using that as a guide, I was able to scan my HDD for the $Windows.~WS folder that was deleted by sticking the .iso into the ODD and walking away to get coffee. ...

right, so no dual boot... then being able to migrate things over time... unless just go pay $199 for a Full Win10 Media...
If that's the only way to have a True Dual Boot with my existing Win 7 and...

without the revert to Win7, then I would have 2 installs of 10, no?

cheers for the fast reply, ty

I'm trying to Dual Boot Win10 with my existing Win7. My 'setup' is "fragile and huge", as in, I cannot afford to have anything modified/disabled/broken/corrupted/deleted/etc... Rather, I cannot...