Hi Roger. I'm Greg, an Independent Advisor.
Which website is asking for $50 and for what. Don't pay them! Anyone who asks for money on the web is scamming. If in doubt ask here.
See fixes here for SD card not working:
https://www.thewindowsclub.com/sd-card-readed-n...
https://www.gihosoft.com/windows-tips/sd-card-n...
Right click Start button to open Device Manager, find the SD card reader, open and choose Driver tab, try Roll back. If not available try Uninstall, restart PC to reinstall Driver.
Next right click Start to open Disk Management, find SD card on map at bottom, right click to assign a drive letter.
If nothing else helps see if you can get it recognized on another PC to save the files, then clean and reformat in the problem PC:
http://www.howtogeek.com/235824/how-to-clean-a-...
https://www.lifewire.com/format-sd-card-using-w...
I hope this helps. Feel free to ask back any questions and keep me posted. If you'll wait to rate whether my post helped you, I will keep working with you until it's resolved.
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