updating does nothing

### Step 1: Please describe your environment

* ZeroNet version: _.6.3____
* Operating system: ___windows 10 home version 1809 OS Build 17763.503_
* Web browser: _tor browser 8.0.9____
* Tor status: available
* Opened port: yes
* Special configuration: ____

### Step 2: Describe the problem:
updating does nothing
#### Steps to reproduce:

1. ___update__
2. _____shut down program after waiting 2 minutes and start it up again
3. _____

#### Observed Results:

* What happened? This could be a screenshot, a description, log output (you can send log/debug.log file to hello@zeronet.io if necessary), etc.

#### Expected Results:

* What did you expect to happen?

Start by reproducing the update flow on ZeroNet 0.6.3 under Windows 10 Home 1809 with Tor Browser 8.0.9, using the reported two-minute wait and restart. Collect the debug.log mentioned in the issue and compare the observed behavior with the expected update result, which the report does not specify.

Rédigé par le modèle d'indexation à partir du texte de l'issue.