It looks like the string findingdory20161080pwebrripx264aacetrg is a classic file release name (likely from a torrent or Usenet post).
For a few months, it was a star. It was opened daily, bringing the forgetful blue tang fish to life for children who didn't have a cinema nearby or the money for a Blu-ray. It was the background noise for rainy Sunday afternoons and the "quiet time" savior for exhausted parents. The Deep Freeze findingdory20161080pwebrripx264aacetrg
Final verdict: That filename is an old pirate release. Instead, watch Finding Dory on Disney+ or rent it in 4K – better quality, no legal risk, and you support the studio that gave us Pixar’s gorgeous ocean worlds. 1080p = 1920×1080 pixels, standard Full HD