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RegDelNull v1.11

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By Mark Russinovich

Published: July 4, 2016

Download Download RegDelNull (511 KB)

Introduction

This command-line utility searches for and allows you to delete Registry keys that contain embedded-null characters and that are otherwise undeleteable using standard Registry-editing tools. Note: deleting Registry keys may cause the applications they are associated with to fail.

Using RegDelNull

Usage: regdelnull <path> [-s]

Parameter Description
-s Recurse into subkeys.

Here's an example of RegDelNull when used on a system on which the RegHide sample program has created a null-embedded key:

C:\>regdelnull hklm -sRegDelNull v1.10 - Delete Registry keys with embedded Nulls 

Copyright (C) 2005-2006 Mark Russinovich
Sysinternals - www.sysinternals.com
Null-embedded key (Nulls are replaced by '*'):
HKLM\SOFTWARE\Systems Internals\Can't touch me!*
Delete (y/n) y
Scan complete.

Download Download RegDelNull (511 KB)

Runs on:

  • Client: Windows Vista (32-bit) and higher
  • Server: Windows Server 2008 (32-bit) and higher
  • Nano Server: 2016 and higher