Fmovies hosted content without the proper licenses or permissions, which led to legal actions from copyright holders. This put Fmovies in a precarious legal position and raised ethical questions about the legitimacy of its service.

In response to these legal challenges, Fmovies went through a series of domain changes, frequently moving its website to different addresses to evade legal scrutiny. While this allowed the platform to continue operating, it made the user experience less stable and reliable, and the constant redirections raised concerns about user security.

Additionally, Fmovies ' reputation was marred by the presence of malicious ads and pop-ups on some of its mirror sites. Users would sometimes encounter deceptive ads that attempted to install malware on their devices, which tarnished the platform's image.

In 2020, the downfall of Fmovies became evident when the U.S. government seized several of its domain names. This action was part of a broader crackdown on websites engaged in copyright infringement and piracy. With their primary domain names taken down, Fmovies began to lose its prominence in the online streaming world.

The takedown of Fmovies was a significant blow to its millions of users, many of whom had relied on the platform for years. The closure of the platform prompted a scramble among Fmovies' competitors to fill the void it left, and it ultimately marked the end of an era in the world of online streaming.