It could be - I can't find any setting to do with it though. ThanksAbout your first question it might be the third party app (StartAllBack) you're using to change Start that's doing it?
Instead of popup-select or save windows always coming up in weird positions, sizes, settings like this;
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And this:
How do I force them all to look like this, and stay this size and column size etc? This is something that has been bugging me for about 10 years now with windows to be honest.
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I've tested it out with Notepad and Greenshot and yes, each program has its own settings. It will remember the last folder to 'save to' and the size change of the window as long as you actually save.
over time you could change the size for all of your 'save as' windows to be roughly uniform.