Tell us about yourself!
After you make the threads put a few drops of cyanoacrylic (super glue) in the hole. It will harden the threads. Run the tap again after the glue hardens to clean up the threads. Repeat a couple of times and you will have good threads in wood.
After you make a bag and you think you have the essentials, try taking it out for a couple of days in the woods and test the things you picked. I have made more than one revision to what I thought I would really need. Changed some things, removed some and added some. I think it's better to try things out when it isn't a real emergency and find out they don't work as advertised than when your life might depend on them. Just saying....
Trick question...It may not be initialized. It may not have a drive letter assigned to it or it might be failed. You might need to ask your favorite geek for a little help.