"Microsoft doesn't fix" the problem(s)...You need to run Win 7 in default(s),probably youre anti-spam/firewall software is running with windows firewall,only one can run at same time,disable one.In run,type: services.msc in msc,locate the software,double click,set to Disable..Also,any file/folder can be edited if youre a Administrator account,if a dead-end happens,start pc in safe-mode/normal/use Search in my computer to locate,edit...
Also,try Event Viewer,locate System/expand/open each listed,find the Warning-Event when mini-dump arose/properties/see why the OS failed to continue...Forget opening Dump files,Event Viewer is user friendly,to run & chk a Dump file is not for a reg.user its a IT user type..