Get a new TeamViewer ID on windows

Method A
Here is how to get a new TeamViewer ID on windows:
1. remove your Teamviewer installation, and every folder named "TeamViewer" in your profile folder. 2. remove your temporary files using avg tuneup by using erase privacy history, check on every option on it. 3. change your computer name, but do not reboot. 4. change your account/user name, but do not reboot. 5. remove your network adapters ( cable or wireless ) from the device manager. 6. reboot windows immediately before it detect a new hardware/s. 7. now after the windows is ready, install new teamviewer and you get a new ID. 

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Method B
http://www.ammyy.com/en/solutions.html

Ammyy is a well known scan and trojan software.
To avoid commercial detection issues in teamviewer use
totally free AeroAdmin instead. 

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Method C
Found the fix on the web....
@ Echo Off

echo Stoping TeamViewer

:: Stop TeamViewer

net stop "teamviewer 5

:: Kill TeamViewer

echo Killing TeamViewer

taskkill / f / im teamviewer *

nircmdc closeprocess TeamViewer.exe

:: Delete ID from Registry

echo Deleting ID from Registry

nircmdc regdelval "HKEY_LOCAL_MACHINE Software TeamViewer Version5" "ClientID"

echo Change Program Files map date

:: Change Date of Program Files map

nircmdc setfilefoldertime "% programfiles%" now now

:: Start TeamViewer

echo Starting TeamViewer

net start "teamviewer 5

:: Show TeamViewer

nircmdc exec show "% ProgramFiles% TeamViewer Version5 TeamViewer.exe"

nircmdc.exe - from developers NirSoft.

For win8 : 
Maybe fail because you need the nircmdc.exe file, look for it on the net and paste it in folder system32 or syswow if your machine architecture is x64.