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#11
You have 4 bad sectors that indicate that your disk has a surface damage (cant be repaired). Your disk may be dying.
Save all your data on another disk.
This kind of disk failure can explain the crashes you're having.
Replace it with a SSD. They cost almost as much as a first line HDD.
Crucial BX500
WD Blue
Do a clean install (don't clone it).
For the updates, use Simplix.
MS releases SP2 for Windows 7