D5 shutdown

Very Often D5 shutdown without any warning,how to solve

I think this post may help you. Crashes/Restarts/Fails to Load - Get Help / How to - D5 RENDER FORUM
If this does not work, please feel free to tell me.

i have upgraded graphics driver, but now also d5 fails very often… difficult to work

Have you tried any of the other methods in the post? If none of them work, you could try turning off CPU overclocking.
If this still could not help you, please send your log file to us. This post shows how to collect logs. D5 Support Tool - Get Help / Tech Support - D5 RENDER FORUM
You can share a link here or send your log to our email. (support@d5techs.com, please describe the problem and attach the link of this post to your mail)