Follow along with the video below to see how to install our site as a web app on your home screen.
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Assuming you are using windows xp click the control panel and there click "Add or remove programs".
Windows will then populate a list of software which has been installed.
If you find your modem there just click "Change/Remove".
Boncuk
You seem to have totally misunderstood his question?, he's not asking about Windows software, but the actual software inside the USB GSM modem, which is specific to the phone company the modem comes from.
As I understand it, it is possible to overwrite it with the original manufacturers default software, but I don't know where you're download it (and the installer) from.