The Man and the Challenge - 1959 Invisible Force - 1.6 was released on: USA: 17 October 1959
If Minecraft hasn't updated for you, you may have to force an update. When Minecraft opens, check the force update option and then log in. That should make Minecraft update for you.
yes open minecraft click force update then play minecraft.
It updates Minecraft to the latest released version.
When you open minecraft on the login screen click options and click force update then click ok. Now just log into minecraft and it will force update.
Do a force update.
It will re install your minecraft back to its original state.
when you open minecraft to log on you click the more options and click force update.
go to options, and force update. this will restore your minecraft jar and make it run again.
Minecraft should update automatically, but if you have the launcher, on the login screen you can press options, then force update.
There is no actual force OP out there, it is simply a rumour and nothing more.
The only way to delete mods easily (when not using a mod installer) is to force Minecraft to update before you log in to Minecraft go to Options and Click Force Update, then log in Minecraft will re-update itself to the current version