If you get a CRC error but your internet is slow, use :
Open regedit and navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Intel\Display\IGFXMGR Create DWORD EnableDAMT = 1 (decimal). Reboot. Intel Display Adapter Management Tool 2.0.zip Download Fix
It is a legacy/enterprise utility designed to manage multiple display configurations and driver rollbacks for Intel HD Graphics, Iris, and Iris Pro adapters. If you get a CRC error but your