New
#11
C:
DIR \*.dll /s /b > C:\regdll.bat (in a elevated command prompt)
notepad C:\regdll.bat
Replace C:\ with: C:\Windows\System32\Regsvr32.exe /s C:\
and save the file.
type: C:\regdll.bat (still in command prompt)
ignore all errors. reboot and try to start explorer