To fix this problem first determine if you access the Windows registry through any of the users, because if the restrictions are made system-wide than you wont be able to run Regedit or any software to edit registry. If you can than make sure that this user has the power to modify registry entries.

  • If you cant modify registry through any user.

Reboot your computer and open Windows in Safe Mode with Command Prompt (press F8 key repeatedly at boot time and then select “Safe Mode with Command Prompt” from the list of Advance Startup Options). Login as Administrator (or as a user with administrative powers). In the command prompt (go to Start>Run and type cmd) type the following commands and press enter

  1. reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\ RestrictRun
  2. reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v RestrictRun
  3. reg delete HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v RestrictRun

Please double check these values before pressing enter as deleting a wrong key will add to your misery. After this reboot your computer again and logon to Windows. The restrictions would most certainly be gone but you need make sure. Search for RestrictRun in the registry and delete any keys or values (refer Registry Basics). You should find a key and a value in HKEY_USERS hive. Log off and log in back again or restart your system for changes to take effect.

  • If there is a user on which you can edit registry.

Login as that user.

Navigate to the following key(s):

1. HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

2. HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer

Here you will find a DWORD value called RestrictRun. Delete this entry or change its value to 0 to enable restricted applications. Also delete the sub-key RestrictRun from the former key. Then search for RestrictRun in My Computer, in regedit and delete any keys or values that come up. You should find a key and a value in HKEY_USERS hive. Log off and log in back again or restart your system for changes to take effect.

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