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thank you very much i had already sent a capture to support. My problem is for the moment solved. 

Oh! Thank you for the info! 😌

It seems the raise/lower point is very particular - the mouse pointer does not change shape when you're on the sweet spot.

It seems that if you click and hold on the horizontal line, you can then drag the mouse up/down to raise/lower the window.

[Didn't know this could even be done - found when I accidentally raised it, but then couldn't lower it.] Frustrating: @Roger, could you ask them to please change the mouse pointer when the right spot is hovered over?

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Dear WWO,

I recommend you to forward this information to our Support Team (Menu > Ask a question).

Thank you in advance!

>> @Roger, could you ask them to please change the mouse pointer when the right spot is hovered over?

> I recommend you to forward this information to our Support Team (Menu > Ask a question). 

So, you have forwarded it to them? Or sent them this link to it: https://plarium.com/forum/en/comment/topic_835509/ 

Thank you for your understanding.

Dear WWO,

I kindly ask you to forward your request to our Support Team personally, because they can ask you to provide the additional information on the aforementioned issue. Such action will help us to avoid misunderstanding🙂👍

Thank you in advance!

Dear Roger,

I kindly ask you to add the request ("@Roger, could you ask them to please change the mouse pointer when the right spot is hovered over?") to the Support Team's list.

No additional information is needed - the request is entirely complete in and of itself. There is no misunderstanding possible.

I have spent enough of my time on this already, please cease and desist and add the request to their list.

Thank you in advance.