Save for Web (Legacy) dialog window not visible

[#1]

Hi there, I'm running Photoshop on MacOS Big Sur. Every time I try to export using Save for Web, the window looks like this: 

I've tried resetting my Photoshop preferences and resetting NVRAM. Not sure where the issue lies, and other forum posts haven't been too helpful! Would love a solution, as I'm currently on deadlines! Thank you. 

[#2]

Hi there, I'm running Photoshop on MacOS Big Sur. Every time I try to export using Save for Web, the window looks like this: 

I've tried resetting my Photoshop preferences and resetting NVRAM. Not sure where the issue lies, and other forum posts haven't been too helpful! Would love a solution, as I'm currently on deadlines! Thank you. 

[#3 · Accepted solution]

The only solution that worked was fully re-installing Photoshop 😞

[#4]

how do you do it? and did it help? now you can save for web properly?