Then just go and delete /dev/video 0
And let's see what happens
Before deleting get backup/copy of /dev/video0 to another folder
Error when copying "videoO". An error occurred while copying the file to '/home/rebok232/devcopy'. Unable to copy a special file
I'm using nautilus as root
let me check
I will not prefer direct deleting. now it is upon your choice
file recreated after reboot
if I enter to terminal v4l2-ctl --list-devices
output looks like this
Dummy video device (0x0000) (platform:v4l2loopback-000):
/dev/video0
USB2.0 HD UVC WebCam: USB2.0 HD (usb-0000:00:14.0-7):
/dev/video1
/dev/video2
am I able to own it further after the execution
sudo apt remove v4l2loopback-utils and
sudo apt remove linux-headers-uname -r gcc make
Then after , are you able to copy ?
what to copy?
Video0
I ran it earlier
no I can't
You can delete it!, but I can't prefer to do without getting backup/copy it
now i delated v4l2loopback from modprobe autostart
I added this recenly before i opened this topis becouse if
i started this working temporarily Now i know this module makes stoping
working this camera Now all working
thanks for help
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Okay 
,
Can you check how many videos are there now?
USB2.0 HD UVC WebCam: USB2.0 HD (usb-0000:00:14.0-7):
/dev/video0
/dev/video1
I found /dev/video1 or 0 is metadata
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in programs
ex.cheese,firefox i have 1 video
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