Skype log in javascript error

This is possible if your computer crashed or Skype installation is possibly corrupt.

Try below steps:

1. Uninstall existing java.
2. Download and install latest java. When asked reset all java warnings.

Test java on your IE. It will ask you to (ie warning) allow java to run. Tick do not ask again and click yes.
If ok it will confirm installation,

3. Download and install latest full skype installation.
Try to log back in to your Skype!