Windows 10: Disallowrun and locked exe, cmd, regedit Solved

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  1.    09 Mar 2018 #1

    Disallowrun and locked exe, cmd, regedit

    I did a very stupid thing. I tried to make windows block one application by creating registry in Policies/Explorer named RestrictRun.

    I did it and then I also created DisallowRun. In KEy Restrict run I added one application, but i couldnt create key for DisallowRun and forgot to remove registry DWORD with DisallowRun.

    After Restart I cannot access anything.. task manager, regedit, cmd, any programs.. they throw the same error about restrictions placed on PC and executing app was cancelled..
    I have no USB Stick and I cannot edit anything.. help, how can I fix this?!

    I can run only windows universal apps..

    I was stupid but I have importatnt thing to do..
      My ComputerSystem Spec

  2.    09 Mar 2018 #2

    Can you use a system restore point (if it will execute, that is)? (You could try from advanced startup options via e.g. SHIFT + left click restart..... )

    Do you use disk imaging- if you do, you could restore a recent image if you have one. (We constantly urge people to use disk imaging routinely to give themselves a means of recovery - even from disk failures).
      My ComputerSystem Spec

  3.    09 Mar 2018 #3

    No I have no restore point... whatsoever :c

    I am panicking here, even with the safe mode I cant do anything :c
      My ComputerSystem Spec

  4.    09 Mar 2018 #4

    If you made the changes once and still have a usable backup copy of your registry that has not been affected by this, you could restore that.
    Last edited by dalchina; 09 Mar 2018 at 16:20.
      My ComputerSystem Spec

  5.    09 Mar 2018 #5

    I don't think I have registry backup... I never did such things because I never had issues.. this is first time it happened and I am on my friend's laptop now... I can't open regedit, cmd or even task manager. Only universal windows apps run... how can I edit that one registry key and remove it? I would never touch this thing again with a 10 feet pole..
      My ComputerSystem Spec

  6.    09 Mar 2018 #6

    Please help! I am trying anything here..
      My ComputerSystem Spec

  7.    09 Mar 2018 #7

    Oh wait, I entered the thing where you click shift and restart and couple of options.. and noticed 3 days old restore point from 6.03. So it was keeping restore points. I will see what happens if I restore it.
      My ComputerSystem Spec

  8.    09 Mar 2018 #8

    It couldnt restore it because of issues with some Universal app... couldnt unpack it or something.... so the problem is still there.
      My ComputerSystem Spec

  9.    09 Mar 2018 #9
      My ComputerSystem Spec

  10.    09 Mar 2018 #10

    Okay I am in the registry but I have no idea what to load. I loaded as it said and have HKEY USers, but the registry entry isnt there, nor it is in HKEY CURRENT USER. Its just not there.

    Can someone point me where I will find hive I need to load in order to edit it?

    Key I added was in HKEY_Current_USER

    Was something like that except it had also RestrictRun in it.

    @ediT: I solved it.

    For anyone who will have same issue by locking themselves out of exes, regedit, cmd or anything here is what I did:

    1. Shift + Left Mouse click on restart PC
    2. Go to Advanced tools and start command prompt.
    3. IF your windows drive is C, type c:
    4. type regedit
    5. Highlight HKEY LOCAL MACHINE
    6. Click File -> Load Hive
    7. Navigate to c:\users\YOURUSERNAME
    8. Tricky part. If you dont see ntuser.dat, just type it in the open box, and click open.
    9. Navigate to the registry that was added or changed (Software/Microsoft/Windows/...etc)
    10. Delete or modify the keys and values.
    11. Select Hive you've loaded and click File-Unload Hive.

    Done. All works.
    Last edited by SnekkestSnek; 09 Mar 2018 at 16:35.
      My ComputerSystem Spec

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