When you upload a photo and set it to "Friends," Facebook creates a unique security token (an SID). When your friend loads the page, their browser requests the photo with that token. When you try to load it, Facebook checks:
To understand why there is no permanent fix, you have to understand how Facebook stores photos. view private facebook photos without being friends 2021 fix
These sites often try to steal your login credentials or infect your device with malware. When you upload a photo and set it