IB TWS + Macbook Pro 2018 Issues

I had the same problems on my Mac so I revived an old Windows machine running Windows 7. I was running Magnet - I didn't try to remove it.
TWS works fine on the Windows machine. I run one screen on the Windows machine and two on the Mac (plus notebook). The Windows machine is an i7-2600K with 8Gb with a RadeonHD5700 video card.
 
I had the same problems on my Mac so I revived an old Windows machine running Windows 7. I was running Magnet - I didn't try to remove it.
TWS works fine on the Windows machine. I run one screen on the Windows machine and two on the Mac (plus notebook). The Windows machine is an i7-2600K with 8Gb with a RadeonHD5700 video card.

You can give it a try. Don't need to uninstall Magnet, just need to quit it when you need using TWS. That solved my problem.
 
Do you have any software related to window position and resizing, such like Magent, installed and running on your Mac?

I know this sounds ridiculous. But I got the same Macbook as you do. 2018 i9, 32G. And exactly same issue. From installation the NEXT button is unresponsive. When using UI button randomly freezing the whole application, and many icons just useless. The whole application just not in a usable stage.

Believe me I tried everything. Install different versions of Java, change memory size, non of them works. Until I quit the Magent, which I use to position and resizing windows. And suddenly TWS works like a charm, fast and smooth.

The same issue also happens on ThinkorSwim platform, which also use Java. I guess Java just don't play well with Magent.

That been said, if you don't have Magnet, here is my suggestion:
1. Download that ThinkorSwim, which also written in Java, and just see if that works. You even don't have to install it. Just run the install wizard, and if the "Next" button is not very responsive, you know it will have the same issue.
2. Quit all your background applications. Try run TWS in a clean Mac environment. And see if it works. Or maybe just reset the Mac to factory setting if that won't mean tons of trouble for you.
3. If TWS do work with a clean Mac, than you can start install your other backgournd apps back one by one, and see which will cause trouble.

So may or may not this work for you. Hope it will help.

Thank you very much for your help! !! I have successfully solved the problem and everything is perfect after I close Magnet!
 
Thank you!

This solved my problem.


Do you have any software related to window position and resizing, such like Magent, installed and running on your Mac?

I know this sounds ridiculous. But I got the same Macbook as you do. 2018 i9, 32G. And exactly same issue. From installation the NEXT button is unresponsive. When using UI button randomly freezing the whole application, and many icons just useless. The whole application just not in a usable stage.

Believe me I tried everything. Install different versions of Java, change memory size, non of them works. Until I quit the Magent, which I use to position and resizing windows. And suddenly TWS works like a charm, fast and smooth.

The same issue also happens on ThinkorSwim platform, which also use Java. I guess Java just don't play well with Magent.

That been said, if you don't have Magnet, here is my suggestion:
1. Download that ThinkorSwim, which also written in Java, and just see if that works. You even don't have to install it. Just run the install wizard, and if the "Next" button is not very responsive, you know it will have the same issue.
2. Quit all your background applications. Try run TWS in a clean Mac environment. And see if it works. Or maybe just reset the Mac to factory setting if that won't mean tons of trouble for you.
3. If TWS do work with a clean Mac, than you can start install your other backgournd apps back one by one, and see which will cause trouble.

So may or may not this work for you. Hope it will help.
 
Just created an account solely to +1 Arthur Wang's solution for quitting Magnet. I thought I had tried everything and that TWS was just a buggy, slow implementation for Macs. Wow - night and day! I'll be submitting a bug report to the Magnet developers. Thank you!!!
 
I had exactly the same issue with a 2019 16" MBP - top spec, max ram, radeon video card max memory. I was really expecting big things.
I had recently installed Magnet for the first time and man was TWS slow AF. I was so confused, especially that it ran like a dream on my 2011 iMac and 2012 MBP...didn't get it. Contacted support, went deep into JVM forums to figure it out .
I started running Parallels and running TWS in windows.


Then I found this and simply quit magnet, and now TWS runs like a dream. Thank you so much for solving this issue!
 
Do you have any software related to window position and resizing, such like Magent, installed and running on your Mac?

I know this sounds ridiculous. But I got the same Macbook as you do. 2018 i9, 32G. And exactly same issue. From installation the NEXT button is unresponsive. When using UI button randomly freezing the whole application, and many icons just useless. The whole application just not in a usable stage.

Believe me I tried everything. Install different versions of Java, change memory size, non of them works. Until I quit the Magent, which I use to position and resizing windows. And suddenly TWS works like a charm, fast and smooth.

The same issue also happens on ThinkorSwim platform, which also use Java. I guess Java just don't play well with Magent.

That been said, if you don't have Magnet, here is my suggestion:
1. Download that ThinkorSwim, which also written in Java, and just see if that works. You even don't have to install it. Just run the install wizard, and if the "Next" button is not very responsive, you know it will have the same issue.
2. Quit all your background applications. Try run TWS in a clean Mac environment. And see if it works. Or maybe just reset the Mac to factory setting if that won't mean tons of trouble for you.
3. If TWS do work with a clean Mac, than you can start install your other backgournd apps back one by one, and see which will cause trouble.

So may or may not this work for you. Hope it will help.

This was exactly my problem.
 
Do you have any software related to window position and resizing, such like Magent, installed and running on your Mac?

I know this sounds ridiculous. But I got the same Macbook as you do. 2018 i9, 32G. And exactly same issue. From installation the NEXT button is unresponsive. When using UI button randomly freezing the whole application, and many icons just useless. The whole application just not in a usable stage.

Believe me I tried everything. Install different versions of Java, change memory size, non of them works. Until I quit the Magent, which I use to position and resizing windows. And suddenly TWS works like a charm, fast and smooth.

The same issue also happens on ThinkorSwim platform, which also use Java. I guess Java just don't play well with Magent.

That been said, if you don't have Magnet, here is my suggestion:
1. Download that ThinkorSwim, which also written in Java, and just see if that works. You even don't have to install it. Just run the install wizard, and if the "Next" button is not very responsive, you know it will have the same issue.
2. Quit all your background applications. Try run TWS in a clean Mac environment. And see if it works. Or maybe just reset the Mac to factory setting if that won't mean tons of trouble for you.
3. If TWS do work with a clean Mac, than you can start install your other backgournd apps back one by one, and see which will cause trouble.

So may or may not this work for you. Hope it will help.

Thanks a lot for this tip! I had a similar program called BetterTouchTools to help with my magic mouse and basic window arranging. As suggested by you, I simply quit that program and tried running TWS and it worked like a charm!
 
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