Your minidump was a 0xD1 error which are caused by a faulty driver. In your case it is most likely dne2000.sys which is a driver belonging to the process Deterministic Network Enhancer belongs to the software Deterministic Network Enhancer Miniport or Cisco Systems VPN Client by Deterministic Networks, Inc.
Update your Cisco VPN drivers and other drivers for your particular laptop from Dell's website. Let us know if that brings stability.