When you use Windows Explorer to try to remove the drive:\$WINDOWS.OLD folder from a computer that has been upgraded from an earlier version of Windows to Windows Vista, Windows Explorer crashes. In this scenario, you receive the following error message:

Faulting application Explorer.EXE, version 6.0.5756.0, time stamp 0×452999fb, faulting module SHELL32.dll, version 6.0.5756.0, time stamp 0×4529b38a, exception code 0xc0000005, fault offset 0×000000000000c941, process id 0xbf8, application start time 0×01c6ecae8503dd46.

Note: The $WINDOWS.OLD folder is a hidden system folder. Sometimes, this folder has a name other than $WINDOWS.OLD. For example, this folder may be named $WINDOWS.~Q. For information about how to view this folder, see the “More Information” section.