Time is running out to update old Windows 10 preview builds

Microsoft is serious about putting all its old Windows 10 Insider builds out to pasture, and time is running out for Insiders to upgrade. The company says older Insider Preview builds will stop working on October 15. Since October 1, affected PCs have been rebooting every three hours, Insider program chief Dona Sarkar said in a recent blog post. More of this article in PCWorld.com