How to fix Copy.exe missing problem manually?
To completely solve «Cannot open drive... Windows cannot find copy.exe» problem you should:

1) Kill all processes related to copy.exe trojan (including but not limited to host.exe, xcopy.exe, temp1.exe, temp2.exe and svchost.exe).

2) Delete all files related to copy.exe trojan (including but not limited to host.exe, xcopy.exe, temp1.exe, temp2.exe and svchost.exe).

3) Clear all references to Copy.exe virus from Autorun.inf files on all drives or simply delete these files (please note, that this may stop some other useful autorun functionality of drives).

4) Delete subkeys under HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2 key which are created by Copy.exe file virus.

This is long but effective way of Copy.exe repair.

For More Information visit http://windows7.iyogi.net/