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Vista virtualization function troubleshooting method



Using the virtualization function of Windows Vista operating system you may encounter the file and registry virtualization issues described below.

Scenario 1: I receive an error message when installing upgrading or using the application

When installing upgrading or using the application you may receive various errors indicating that access is denied news. For example you may experience one of the following symptoms: After installing an application in a folder other than the %programfiles% folder you will receive an access denied error message. In addition the application does not work properly.

You receive an application error message similar to the following:

Cannot create folder under C:MyAppTemp

Cannot create folder under C:MyAppTempoutput.dat

You receive an error message similar to the following:

An error occurred while writing to MyFile.exe

When you perform any of the following operations you may encounter This problem occurs: Create a link in a virtual location.

Use Encrypting File System (EFS) to encrypt files.

Attempting to view compressed files.

Use the command prompt to copy .exe .sys or .dll files to a virtual location.

The parts of the application that require file input or output no longer work properly.

Scenario 2: The newly created file or folder cannot be found.

When using an application with virtualization enabled you created a data file in a virtual location on the file system. When using other applications or Windows Explorer to access these newly created files they cannot be found. For example if you save a file in the %programfiles% %systemroot% or %programdata% folder in a photo editing application the file will not be found.

Scenario 3: Unexpected program behavior after upgrading an application

After upgrading an application I receive an error message similar to the following:

Error. Please upgrade your application

In addition the application is not working properly. The application appears to be using the wrong or pre-upgrade data.

Scenario 4: After uninstalling the application the application’s files are still on the computer

In this case you will experience one of the following symptoms: In other applications In the program you noticed that the file and folder information of the uninstalled application still exists in the %programfiles% %programdata% or %systemroot% folder.

The %userprofile%AppDataLocalVirtualStore folder is larger than expected. When the application was uninstalled the virtualization file created while the application was running was not deleted.


One or more of the following conditions may cause these problems: The application tries to create a file or folder outside of some specified virtualized folders.

The files saved by the application in the %programfiles% folder may point to a folder other than the user's virtual storage folder.

The application uses a file that is not supported by virtualization.

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