NO ENTRY POINT FOUND

so i was playing league untill 2 last night and i got off and started watching the worlds competition, now today i try loading my client to play league, but for some reason im getting a message that states that no entry point is found specifically the procedure entry point zpipe_inf cannot be located in the dynamic link library C:\Riot Games\League of Legends\LeagueClient.exe. ive tried reinstalling it happens when i tr to launch my client i cant put in my info clicking ok doesnt work for me i ask riot members and community members if there is any solution because i truly love playing this game and i strive to be better please contact me with any info