Shell Problems Shell Menus ShellExView Utility NirSoft Utilities
DC_ShellExt64.dll - Large delay when right-clicking on Explorer file/folder.

It's strange -- I've had this program installed for years, and it just started acting up in the last few days.

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

Shell Extension Name: RXDCExtShlExt Class
Filename: DC_ShellExt64.dll
Description: Roxio Disc Copier Shell Extension (AMD64)
Company: Sonic Solutions
Product Name: Roxio Drive Emulator
File Version:
CLSID: {4D766FD3-B880-49D3-B7BD-6CF925221E04}

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 Hammster