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wsftpsi.dll - Explorer crashed when right-clicking a file, folder and some menu items.

I disabled all hooks from Ipswitch because of other Explorer actions that caused it to crash (copy/paste).
Program: WS_FTP PRO 12
Company: Ipswitch

The details of the shell extension that might cause the problem:

Shell Extension Name: RtClkCtxMenu Class
Filename: wsftpsi.dll
Description: wsftpsi Module
Company: Ipswitch, Inc. 10 Maguire Road - Suite 220 Lexington, MA 02421
Product Name: WS_FTP Pro/LE
File Version: 12,3,0,1
CLSID: {797F3885-5429-11D4-8823-0050DA59922B}

If you think that you have similar problem in your system, you can try to fix the problem by disabling the specified shell extension. In order to do that, simply follow the instructions below:

  1. Download and run the ShellExView utility from this Web page.
  2. Find the right shell extension according the details specified above.
  3. Select this shell extension and press F7 to disable this extension. After disabling the shell extension, check if the problem still occurs. If the problem still occurs, you should enable back the shell extension by pressing F8, and then try to search for another shell extension that might cause your problem.

This shell extension problem was reported by rwatson