NetVault uninstall fails as well as any attempt to re-install it on Windows (78933)

This article explains possible problems while attempting to re-install NetVault on Windows.


Symptoms:
While uninstalling NetVault on Windows the following error message is displaid:
"Error 1714. The older version of NetVault cannot be removed."

After this, although all netvault files/folders/registry keys have been manually deleted, any attempt to re-install
immediately fails with the following pop up message:
"Error 1610. The configuration data for this product is corrupt. Contact your support personnel."


Reason:
If a NetVault uninstall fails the necessary cleanup procedure won't happen leaving missing or corrupt registry
key values that will prevent subsequent install attempts from succeeding.

1) Check the Netvault Process Manager service has been removed from the windows services panel.
If not then make sure that it has been stopped.

2) Manually delete the netvault installation directory eg: C:\Program Files\BakBone Software\NetVault

3) Run regedit & delete all "BakBone Software" and "Netvault Ltd" registry entries under SOFTWARE for LOCAL MACHINE and CURRENT USER

4) Use 'regedit' to perform a search on 'netvault' and delete all corresponding keys

If this didn't help, and since the Windows Event logs messages are too generic, more information needs to be obtained Windows Installer process itself:

5) Run a silent install by invoking the following command:

msiexec /L*v c:\log.txt /I \netvault.msi -qn

This will dump a log.txt file in C:\ that will contain a verbose output from the Windows Installer process.

6) Examine the content of the log. There can be issues with invalid registry key(s) that tell Windows that NetVault is still installed.

The log would for example show
[17:15:09:906]: Unexpected or missing value (name : 'PackageName', value : '') in key:
'HKLM\Software\Classes\Installer\Products\7D291E477470F7F4FB9F2AAFFCBC1345\SourceList' MSI (s)

An alternative path to the Products in the registry is
HKEY_CLASSES_ROOT\Installer\Products

7) Delete the key identified as "unexpected" in the installer log.

The NetVault installation should now be successful.

NOTE: Technical support does not provide support for problems that arise from improper modification of the registry. The Windows registry contains information critical to your computer and applications. Make sure you back up the registry before modifying it. For more information on the Windows Registry Editor and how to back up and restore it, refer to Microsoft Article ID 256986 “Description of the Microsoft Windows registry” at Microsoft Support.