testing https://github.com/microsoft/vscode/issues/93811
Version: 1.44.0-insider
Commit: d7d1147d6b764a48b789000c03088ee9afabcd8a
Date: 2020-03-31T08:22:34.682Z
Electron: 7.1.11
Chrome: 78.0.3904.130
Node.js: 12.8.1
V8: 7.8.279.23-electron.0
OS: Darwin x64 17.7.0
I signed into two accounts (cdias @ microsoft.com and chris @ diasfam.com), and then signed out of the microsoft.com account. The result:

I'm getting this error on Ubuntu 20.04 with my GitHub sign-in. I've only used the single account on this machine, so no idea why this started occurring.
Using Ubuntu 20.04 with the latest VS code build. Although the error is slightly different.

Hi
I'm in the same situation
Any help will be apreciated
King regards
Version: 1.50.1
Commit: d2e414d9e4239a252d1ab117bd7067f125afd80a
Date: 2020-10-13T14:44:48.716Z
Electron: 9.2.1
Chrome: 83.0.4103.122
Node.js: 12.14.1
V8: 8.3.110.13-electron.0
OS: Linux x64 5.4.0-52-generic snap (Ubuntu 20.04.1 LTS)
@davorpa
Try
sudo apt install gnome-keyring
@EduardoSaverin it's already installed. I have Ubuntu 20.04.1 LTS

I UPDATE...
Magically solved for me. The way... first I login into official addon Github Pull Request and after enable sync for Github
Most helpful comment
@EduardoSaverin it's already installed. I have Ubuntu 20.04.1 LTS