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First person tennis app not working


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I purchased first person tennis from the vive app.  When I try to open this app I have an error message come up saying............


Launch Failed

Viveport app does not launch

Error reading JObject from JsonReader. Path ", line 1, position



I paid A$32.98 for this app and would either like to be able to use it or get my money back!!! 

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Try this:




  1. Click “delete" in app icon right bottom corner



  1. Download again, if see internal error


  1. Then go to the app folder.. Default is  C:\ProgramData\HTC\Vive\ViveApps\<app id>

Manually delete this folder


  1. Click resume button


-John C

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