Its 2030 mountain time and I have recurring errors on Firefox on Win7, but considering the array of add-ons I have running I can't take too much out of that beyond the fact that yesterday it worked fine and today it takes a reload or two.
You could trial Lightroom, Photoshop and Premiere Pro; 30 days should be enough to do what you need to do, and if you need more time then a subscription for another month or two seems like a pretty good fit for your circumstances.
In my case the solution in question is usually hot water, coffee grounds, milk and sugar...
Seriously though for your wife why not make a support device that would rest against her sternum and curve up to a screw for the camera? The shape would make for a comfortable grip with her left hand and leave her right hand free to operate the buttons.