repeated internal shutdown

[Martin Lazda]

keep getting a repeated pop-up that warns me that my
windows is being shut down in t-50 sec. It shuts down, re-
starts then the same pop up re-appears...What the hec is
this?

 

[sushanta]

keep getting a repeated pop-up that warns me that my
windows is being shut down in t-50 sec. It shuts down, re-
starts then the same pop up re-appears...What the hec is
this?
..