Minecraft 1.8.9 Unable to sign in

There is no way to start：
name：1.8.9-OptiFine_HD_U_M5.jar
URL：https://s3.amazonaws.com/Minecraft.Download/versions/1.8.9-OptiFine_HD_U_M5/1.8.9-OptiFine_HD_U_M5.jar
The file name in the disk：1.8.9-OptiFine_HD_U_M5.jar
path：C:\Users\nmsl\AppData\Roaming\.minecraft\versions\1.8.9-OptiFine_HD_U_M5\1.8.9-OptiFine_HD_U_M5.jar
exist：Nonexistent