How to manually remove a WebClient installation?

How to manually uninstall a WebClient installation?
When the automatic uninstall process does not (completely) remove the WebClient installation how to manually remove the remaining files and unregister related .dll's?

The default directory structure is listed in the instruction below.

 

1. Back up the Windows registry

 

2. Delete the following Registry Keys

For 32-bit install on 32-bit OS or 64-bit install on 64-bit OS: 
 

For 32-bit install on 64-bit OS:

 

If a WebClient Application was installed, also delete: 

For 32-bit install on 32-bit OS or 64-bit install on 64-bit OS:

For 32-bit install on 64-bit OS:

 

3. Unregister the WebClient DLL's:

C:\Program Files\Common Files\Progress Software\psccab.dll
C:\Program Files\Common Files\Progress Software\pscsecreg.dll
C:\Program Files\Common Files\Progress Software\psccert.dll

C:\Program Files\Common Files\Progress Software\(version)\prox.dll

For 32-bit install on 64-bit OS:
C:\Program Files (x86)\... 

 

On a 64-bit version of Windows Operating System, there are two versions of the regsv32.exe file:

regsvr32 /u psccab.dll 

regsvr32 /u pscsecreg.dll 
regsvr32 /u psccert.dll

regsvr32 /u prox.dll

4. Delete the Webclient install directories: 

C:\Program Files\Common Files\Progress Software 

C:\Program Files\Progress Software\WebClient 

C:\Program Files\WebClientApps 

For 64-bit: C:\Program Files (x86)\... 

For personal install: C:\Users\<username>\AppData\Local\WebClientApps 

5.  If Infragistics NetAdvantage Windows Forms was installed with the WebClient Application it will be necessary to uninstall these from the Windows Control Panel.