Diebold was never proven to have impeccable software
Not only was it easily hacked and crashed, but there was nothing in place to be able to verify the votes. The company was run by fraudsters and the elections supervisor of Sequoia Pacific not only had mob ties but spent nearly four years in jail for taking bribes and fixing elections.
To update yourself on the SYSTEM that "counts your vote", please educate yourself here with Part II. (And don't forget to read Hopsicker's legwork in Part I).
It's worse than you <think>. Rot has set in the very highest levels of our democracy, if you can call it that anymore. Money talks. Money walks. And they take our country down with them.