I have been getting this error sense December... It simply will not do updates at all 
error = 0x80248015

error = 0x80248015
My Computer
System One
-
- Manufacturer/Model
- alienware
- Memory
- 4.00
Tom - that's the detailed CheckSUR log you pointed to, not the WU log
The WIndows Update log is at
C:\Windows\WindowsUpdate.log
You don't get a CheckSUR log unless you run the tool - which the OP doesn't appear to have done yet.