cannot open load dired-details

Question

I just installed the emacs package dired-details from inside emacs via

M-x package-list-packages

clicked on the package name a

Answer 1

Packages you installed with package.el need to be initialized if you want to access them during emacs initialization.

Add the line

(package-initialize)

to the very beginning of your .emacs .

Also follow phil's recommendation and see the variable

package-enable-at-startup