Disable Onscreen Keyboard on Tablet PC (Direct from BCC kbs)

• Login as Administrator in the computer

• Go to Start >> Run

• And apply the following command:

• regsvr32 /u "C:\Program Files\Common Files\Microsoft Shared\Ink\loginkey.dll"

• Hit the OK button on the message

• Restart the computer

This will disable the onscreen keyboard to come up on the login screen which is annoying for most of the users

Alternately the following command can be run to enable the feature
regsvr32 "C:\Program Files\Common Files\Microsoft Shared\Ink\loginkey.dll"