Error: "Could not load file or assembly 'Framework.Console.SnapInsUI" or "The system cannot find (4318280)

While trying to open the Spotlight on Messaging Management Console you may get this error message:

"Could not load file or assembly 'Framework.Console.SnapInsUI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified."

Exception Type:
System.IO.FileNotFoundException

Exception stack trace:

at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)
at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)
at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
at System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
at System.Activator.CreateInstance(String assemblyName, String typeName, Boolean ignoreCase, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, Evidence securityInfo, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(String assemblyName, String typeName)
at System.AppDomain.CreateInstance(String assemblyName, String typeName)
at System.AppDomain.CreateInstanceAndUnwrap(String assemblyName, String typeName)
at Microsoft.ManagementConsole.Internal.SnapInClient.CreateSnapIn(String assemblyName, String typeName)
at Microsoft.ManagementConsole.Internal.ClassLibraryServices.Microsoft.ManagementConsole.Internal.IClassLibraryServices.CreateSnapIn(String assemblyName, String typeName)<

Spotlight on Messaging may have been upgraded with a different installation drive specified from the original location installed to.

OR

Spotlight on Messaging was uninstalled and reinstalled to another drive.

Edit the registry on the Spotlight on Messaging Server:

1. Click Start | Run and type in regedit
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\FX:{6da20819-5c69-4c33-bd96-bc38331008ad}
3. Within this registry key there are 10 changes that will need to be made:
   - Right click on the ApplicationBase entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the ConfigurationFile entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the DescriptionStringIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the HelpTopic entry and select Modify, then change the Value data to the new drive letter where it Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the IconIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the LargeFolderBitmapIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the NameStringIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the ProviderStringIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the SmallFolderBitmapIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the SmallSelectedFolderBitmapIndirect entry and select Modify, then change the Value data to the new drive letter where Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string
   @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
   
   - Right click on the VersionStringIndirect entry and select Modify, then change the Value data to the new drive letter where it Spotlight on Messaging is installed, for example if it is installed on the D: drive use this string @D:\Program Files\Quest Software\Spotlight on Messaging\ManagementConsole\Binaries and click OK
    
4. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Quest Software\Spotlight Management Framework\Console\RegisteredPlugIns\Framework and change the Path key from the old drive letter you were using to your new drive letter that Spotlight on messaging is currently installed