minecraft launcher wont download resources and will not work

downloaded minecraft.exe.
started the launcher
clicked play
then in the development console it will say

Attempting to download C:\Users\Flannery\AppData\Roaming\.minecraft\assets\objects\ec\ec8a2cbdf68b4e2136098ec33695e1c53625ddb8 for job 'Resources'... (try 1)
[21:41:32 WARN]: Had local file but it was the wrong size... had 178120 but expected 1379756

it will keep saying that but the had will be another number and the expected will also be another number with every assets\objects\ file it trys to download