The floppies have degraded beyond repair. Floppies are incredibly unreliable for long term storage, because they fail quite regularly.
You can try putting the floppies into another computer to see if it has better luck, but it seems doubtful you'll get anywhere. If you do, I'd recommend making backups immediately. Preferably on more reliable media, such as a CD-R.
I have a HP Notebook XE3 with Windows XP. I recently installed a external FDD DB Tech UF 0001. When I try to run my old floppies recorded on WIN95 & WIN 98; I get a message the disk has to be formatted. What should I do to run the old floppies??