To capture the actual problem, you run the anti-virus software and find that it is infected by a virus. To confirm, you tried to access the same on your mobile, but you still cannot open it.
On the contrary, when you connect it to your Desktop, it produces an error message indicating that the SD Card has become corrupt. You performed the transfer process as well as removal process properly to ensure that there is no issue.
You connect the SD Card with your brother’s laptop to transfer some photos.