how to fix corrupted usb without formatting

4:12

10:19

5:47

1:57

3:16

3:04

1:11

3:13

1:08

1:58

7:59

5:32

14:29

2:32

2:54

1:34

1:50

1:57

3:31

2:06

1:01

3:11

5:06

2:13

4:12

4:17

5:54

1:52

5:19

7:22

2:51

2:03

13:21

4:04

5:48

5:40

5:40

2:13

13:33

12:52