Symptoms
Consider the following scenario:
- You enable BitLocker Drive Encryption on a USB storage device that is connected to a Windows 7-based or a Windows Server 2008 R2-based computer.
- When you run BitLocker To Go on the USB storage device, one of the following situations occurs and leads to an NTFS unexpected shutdown (also known as a dirty shutdown):
- You disconnect the USB device without ejecting it.
- The computer encounters a hard restart or shutdown, or encounters a power failure.
ERROR: An error occurred (code 0x80070020):
The process cannot access the file because it is being used by another process.
The process cannot access the file because it is being used by another process.
Cause
This issue occurs because the virtualized boot block on the storage is created at a random location. Therefore, the virtualized boot block is overwritten by other files incorrectly.
Resolution
Update information
How to obtain this update
Microsoft Update
This update is available from the Windows Update website.Microsoft Download Center
The following files are available for download from the Microsoft Download Center:Operating system | Update |
---|---|
All supported x86-based versions of Windows 7 | ![]() |
All supported x64-based versions of Windows 7 | ![]() |
All supported x64-based versions of Windows Server 2008 R2 | ![]() |
All supported IA-64-based versions of Windows Server 2008 R2 | ![]() |
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.Prerequisites
To apply this hotfix, you must be running one of the following operating systems:- Windows 7
- Windows 7 Service Pack 1 (SP1)
- Windows Server 2008 R2
- Windows Server 2008 R2 Service Pack 1 (SP1)
Registry information
To apply this hotfix, you do not have to make any changes to the registry.Restart requirement
You must restart the computer after you apply this hotfix.Hotfix replacement information
This hotfix does not replace a previously released hotfix.Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: