M2WShlEx.dll - Explorer crashes when you select Edit menu.

Disabled all Context Menu Type shell extensions, and Edit Menu in My Computer worked without crashing. Progressively turned back on all non-Microsoft extensions, until culprit found. Must have been a corrupt download or errored installation of Acoustica a few years ago.

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

Shell Extension Name:	MP3ToWave Shell Extension
Filename:	M2WShlEx.dll
Description:	Mp3 to Wave Converter Plus Shell Extension DLL
Company:	Acoustica
Product Name:	Mp3 to Wave Converter Plus Shell Extension
File Version:	1.00
CLSID:	{DC6FA7E0-6666-11D5-8CE2-444553540000}

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.