Minecraft Forums

hi, im cani77 (not cani2)

im here to talk about an error that is messing up with me, when I try to join a server the error appears:

Internal Exception: java.lang.Error: java.security.NoSuchAlgorithmException: AES Key Generator not availabe.

Can you help me??

I tried allowing all the Java Platform SE Binary programs to a public network but it didnt work, i tried reinstaling my launcher, it didnt either

Thank for your colaboration

You may need to reinstall the locally installed files that Minecraft puts into place.

To do so, press your Windows+R keys, type in %AppData% at the dialog, and press Enter. In the window that appears, open the .minecraft directory, and delete everything except for the saves directory that you see therein. Then, try running Minecraft again. Good luck!

You need to reinstall Java.

First, go to Programs and Features in Control Panel (Add and Remove Programs on XP). Uninstall everything that says Java in the name. Then, go to http://java.com/en/download/manual.jsp to re-install Java.

That error is caused when Java cant find the AES key generator in the security algorithms it bundles, might be caused by a version of java distributed outside the US(as they are not allowed to include them in those)

Can I just delete a single file that contains all that, and then re-install Java to fix all that?

That error is caused by you using a version of java that had the crypto api removed according to US laws, you will have to uninstall it and reinstall the latest from java.com