eddwo wrote:

Is there anyone who can work out why explorer keeps crashing, or why they keep seeing the flashlight waving when they open the control panel? For every problem there must be a solution and a reinstall or image should never be required.

Very well put! I asked about that class of errors in this thread:
Give me your best Windows diagnostics tips!
Somehow all roads lead right back to jumping in the deep end and getting all wet with the kernel debugger.