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This is quite normal after a battery disconnection.
Your windows just need reseting. Lower the windows to the bottom and hold the switch for 5-10 secs. Then raise them to the top and hold the switch for 5-10 secs.
Do this for each window and they should be back to normal.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo