The possible issue for this is Microsoft security update (@December 8, 2009). Please refer below thread for more detail. This may cause the issue "Word cannot start the converter MSWRD632".
http://support.microsoft.com/default.aspx?scid=kb;EN-US;973904The reason why, your PC is not effected, may be your PC is not update with the security updates :)
The fix is explained as below:
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
For 32-bit versions of Windows
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Applets\Wordpad
For Microsoft Windows on Windows 64 (WOW) mode
HKEY_LOCAL_MACHINE\Software\Wow6432Node\microsoft\Windows\CurrentVersion\Applets\Wordpad
3. On the Edit menu, point to New, and then click DWORD Value.
4. Type AllowConversion for the name of the DWORD, and then press ENTER.
5. Right-click AllowConversion, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Exit Registry Editor.
[taken from :
http://support.microsoft.com/default.aspx?scid=kb;EN-US;973904]
Let
me know if you have any thing else to clarify.