Question : Problem: Does not launch in one computer, OK in others.

The flash drive launched normally in one of my computers, but no longer does.   It works normally inother computers.

Answer : Problem: Does not launch in one computer, OK in others.

you can try this :
Remove all USB drivers with:     http://www.ee-stuff.com/Expert/Upload/getFile.php?fid=6853      ---> Now reboot and test.
Delete the "UpperFilters" and "LowerFilters" registry values from:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{36FC9E60-C465-11CF-8056-444553540000}