Warning Messages when installing updates

[David Bowskill]

Hello All

When installing updates I often get the warnings :

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atk-bridge-WARNING **: AT_SPI_REGISTRY was not started at session startup.

atk-bridge-WARNING **: IOR not set.

atk-bridge-WARNING **: Could not locate registry

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Can anyone tell me what these warnings mean and are they serious ?

Thanks

David Bowskill