Start muon updater, search for updates, finds updates, shows list. Pressing the update button shows muon doing everything except downloading the updates. When the supposed update is finished, it shows the list of updates again. Normally after closing the muon window, starting it up again, search for updates one more time, shows same list again. Pressing the update button and now muon is downloading the updates and installs them correctly.

Reproducible: Always

Steps to Reproduce:
1. start muon, search for updates, press update. muon installing updates without downloading them.
2. close muon.
3. start muon again, search for updates, press update, muon downloading and installing correctly
Actual Results:  
muon showing updates while it supposed to have just installed them.

Expected Results:  
Download the updates on first run.