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You cannot unlock a BitLocker-encrypted drive after you upgrade to Windows 8

Consider the following scenario:
  1. On a Windows 7-based computer, you install an application that registers a drive shortcut menu handler. For example, if you install Microsoft System Center 2012 Endpoint Protection, it registers a drive shortcut menu handler so that a Scan with System Center 2012 Endpoint Protection option is available when you right-click a drive.
  2. You upgrade the computer from Windows 7 to Windows 8.
  3. You try to open a hard drive or a USB flash drive that is encrypted by BitLocker Drive Encryption.
In this scenario, you cannot unlock the encrypted drive. Additionally, you receive the following error message:
Application not found
To have us fix this problem for you,go to the"Fix it for me"section.If you prefer to fix this problem yourself,go to the "Let me fix it myself" section.

Fix it for me

To fix this problem, click the fix this problem fix this problem Fix it button or link. Then click Run in the File Download dialog box, and follow the steps in the Fix it wizard.

  • This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
  • If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.
  • We would appreciate your feedback. To provide feedback or to report any issues with this solution, please leave a comment on the "Fix it for me" blog or send us an email message.

Let me fix it myself

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To fix this problem, the following BitLocker settings need to be configured in the registry:
Registry subkey:HKEY_CLASSES_ROOT\Drive\shell\unlock-bde
Registry entry: (Default)
REG_EXPAND_SZ value: @%SystemRoot%\System32\bdeunlock.exe,-100

Registry subkey: HKEY_CLASSES_ROOT\Drive\shell\unlock-bde\command
Registry entry: (Default)
REG_EXPAND_SZ value: %SystemRoot%\System32\bdeunlock.exe %1
To do this, follow these steps:
  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. In the search box, type regedit.
  3. Tap or click the displayed regedit icon.
  4. Locate and then select the following registry subkey:
  5. Double-tap or double-click (Default), type @%SystemRoot%\System32\bdeunlock.exe,-100, and then tap or click OK.
  6. Locate and then select the following registry subkey:
  7. Double-tap or double-click (Default), type %SystemRoot%\System32\bdeunlock.exe %1, and then tap or click OK.
  8. Close Registry Editor.
full upgrade win8 Forefront Endpoint Protection fix it fixit fixme

Article ID: 2748266 - Last Review: 02/04/2013 05:01:00 - Revision: 4.0

Windows 8, Windows 8 Enterprise, Windows 8 Pro

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