A typical .srt file for a 90-minute movie should be between 40KB and 150KB . Quick Sync Fix

Since "reports" in the subtitle community usually refer to technical compatibility, sync quality, or safety, 1. Compatibility & Sync

If you find the subtitles are slightly off-sync while watching in : Press G to delay the subtitles (if they appear too early). Press H to speed them up (if they appear too late).

A genuine subtitle is .srt , .sub , or .vtt . If the "subtitle" you downloaded is an .exe , .msi , or .zip that asks you to run a program, delete it immediately —it is likely malware.