NRF Connect Toolchain Manager: Unexpected end of JSON input error

Hello,

I'm evaluating NRF Connect for potential use in a project and so far I've been quite unsuccessful. I'm using NRF Connect for Desktop v3.11.1 and my toolchain manager version is v1.1.0, the latest available as of 6/30/22. 

I seem to be having the same problems as  

unexpected end of JSON input - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com)

Unexpected end of JSON Input Error after installing nRFConnect for Desktop - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com)

Unexpected end of JSON Input Error after installing nRFConnect for Desktop 3.11.1 - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com)

where the toolchain manager throws an "unexpected end of JSON Input Error" upon clicking into it. 

Things I've tried

- For context, I'm trying to use the toolchain manager on a recently wiped and reinstalled Windows 10 Home computer running:

Edition Windows 10 Home
Version 21H2
Installed on ‎6/‎27/‎2022
OS build 19044.1766
Experience Windows Feature Experience Pack 120.2212.4180.0

Processor AMD FX-8800P Radeon R7, 12 Compute Cores 4C+8G 2.10 GHz
Installed RAM 16.0 GB (15.5 GB usable)
System type 64-bit operating system, x64-based processor


- Completely uninstalling / reinstalling NRF Connect AND NRF Command Line Tools. I also deleted all associated NRF file folders that the uninstall didn't delete.

- Adding a "pc-nrfconnect-toolchain-manager.json" file with the suggested contents into the C:\Users\<user>\AppData\Roaming\nrfconnect folder 

- CTRL+SHIFT+I'ing the toolchain manager yields the errors in the console depicted below: 


- Other apps in NRF Connect for Desktop such as the BLE app open and ostensibly run as intended.

Any help / insight would be much appreciated.

Best,

Rob

 

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