Windows 7 boot problems (possible registry issue?)

Okay, I realize I shouldn't have messed with the registry, but I did ("I'm curious as a cat, that's why my friends call me whiskers!" sorry, SNL reference...). Now, I am not really sure how to fix my problem.

My problem:
Windows 7 (64 bit) reboots itself before it gets to the login screen.

Here are the steps of action I have taken and how they have failed:
Startup repair will not fix problem automatically.
System restore says system protection is not enabled for the C:/ (System) drive.
Safe mode will not boot at all (blue-screens really fast and reboots before I get the chance to see it).
In command prompt, "sfc /scannow" (system file checker) says that it cannot run because a system restore is pending and restart and run again, but it continues to say the same thing after reboot (because it cannot correctly start up).
Cannot do an in-place upgrade of Windows 7 since I cannot boot correctly.

My hypothesis:
Registry error.

Is there any more information you need? Any help or advice would be greatly appreciated!
I am a computer user with intermediate knowledge, so you don't need to baby me and say "take it to best buy" xD (hopefully I won't have to LOL)

Hi toastthemost,

Thank you for posting to the Microsoft Windows 7 Community.  The registry backup files are located at C:\Windows\System32\config\RegBack. Copy the system and software files to the C:\Windows\System32\Config dir and replace the files.  If this does not work, the next step would be to reinstall Windows 7.

Please let us know if this helps.

Microsoft Answers Support Engineer
Visit our Microsoft Answers Feedback Forum and let us know what you think.

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Question Info

Last updated August 6, 2019 Views 18,822 Applies to: