hi AmineKachache I presume you have tried here with the text and link for the picture been the same my friend, it looks like a tricky problem according to the link, its a good idea to make backup of you of your drive often so you can call it back to a time before problem can save time in the long run do hope you get sorted but if you after clean install make a backup
https://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/some-program-flashes-automatically-opens-and/86020253-e3eb-4059-95f5-9ec2a5f6a385
backup software
https://briteccomputers.co.uk/posts/create-backup-image-with-macrium-reflect/
https://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/some-program-flashes-automatically-opens-and/86020253-e3eb-4059-95f5-9ec2a5f6a385
backup software
https://briteccomputers.co.uk/posts/create-backup-image-with-macrium-reflect/