CDT An internal error occurred during: “Setting up indexer”

Question

I use Eclipse with CDT to build C++ code. After loading my workspace I get the following message:

An internal error occurred during: \"Setting up indexer\".


        

Answer 1

Deleting the *.pdom files from .metadata/.plugins/org.eclipse.cdt.core/ solved the problem

Answer 2

I tried Steve's solution (https://stackoverflow.com/a/13155007/3868696), and it worked, after restarting Eclipse.