Comtrol RocketPort USB Serial or Modem Hub Driver Installation with Windows 2000 - Manual (Page 15)

Removing the Software 15
k. Windows asks you to confirm this uninstall. Click the OK button.
l. Repeat this procedure for all the ports connected to the USB Serial Hub.
2. Disconnect the RocketPort USB Serial Hub unit or units from your system.
3. Run the cmtl-usbscrub.exe program to remove internal files from the previous version. You can find
this application in the directory that was used during the initial installation. For example, C:\Comtrol.
4. Using the Windows Explorer, delete the oem(n).inf file (where “n” is a number variable, for example,
oem1.inf) from the C:\winnt\inf directory. If there are more files using the oem title, open each one in
Notepad to find the correct one. Look for the Name: field to have the cmtlw2k.inf value. Delete this file.
5. Delete the Comtrol installation files that were downloaded into the C:\Comtrol directory from the
previous version, if necessary.
6. You can now install a new driver, if desired.