All of these steps may not be necessary, but this is the process I have been successful with.
Step 1: Uninstall CF with Revo uninstaller and search your drives for any leftovers. Make sure to check Documents.
Step 2: Clean your PC with CCleaner
Step 3: Change names of your drives/PC names
Step 4: Change Drive VolumeIDs with this
Step 5: Change MAC Address with TMAC. Make sure you force octet of "02".
Step 6: Clone MAC in router panel
Step 7: Find IP and save it so you can be sure it has changed
Step 8: Unplug your router/modem for 5-10 minutes (Won't work unless you have dynamic IP)
Step 9: Ensure your IP has changed and reinstall CF
Step 10: Profit