While uncommon, a file named r1 loader64.dll could theoretically be part of a legitimate software development toolkit or a custom launcher for a niche game mod. However, legitimate software vendors do not typically name their core loaders in this cryptic manner. If you did not personally install a piece of software from a trusted source that explicitly mentions an "R1 Loader," the file is almost certainly malicious or unwanted.
Boot into (press F8 during startup or use msconfig ). r1 loader64.dll
: If a game installation or update is interrupted, the library file may be improperly written or entirely missing. While uncommon, a file named r1 loader64