To close the Language bar (using Classic view in Control Panel):
1. Click Start, click Control Panel, and then double-click
Regional and Language Options.
2. On the Languages tab, under Text services and input languages, click Details.
3. Under Preferences, click Language Bar.
4. Deselect the Show the Language bar on the desktop check box.
In addition also check that client have default keyboard layout selected and disable the other. You can also disable the setting for keyboard from registry setting.
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