1

When I run QGIS v. 2.18.15 on my PC I get this error message when the program first starts up:

  • Unable To Get Local Issuer Certificate: The issuer certificate of a locally looked up certificate could not be found

Is there any way I can fix this issue, because currently I am not able to install any new plugins. I've tried googling the error message but I am not able to find any helpful solutions! Picture showing error message

  • click Ignore then load QGIS up and go to the plugins, it seems to work that way. – Mapperz Jan 2 '18 at 15:10
  • You're correct, seems to have worked for me! Thanks! – Ayla Marie Jan 3 '18 at 16:37
  • @Mapperz Please post your comment as an answer. – underdark Jan 7 '18 at 10:34
3

I had a similar issue during QGis 2.18.10 startup.

SSL Certificate Errors occured accessing URL :

https://ubuntu.qgis.org/version.txt

Unable To Get Local Issuer Certificate: The issuer certificate of a locally looked up certificate could not be found

I fixed it by going to https://ubuntu.qgis.org/version.txt with IE.

Alternatively, using Powershell :

Invoke-WebRequest https://ubuntu.qgis.org/version.txt

or (for Powershell < 3.0)

(New-Object System.Net.WebClient).DownloadString("https://ubuntu.qgis.org/version.txt")

My guess is that any of these actions add the qgis certificate (or maybe let's encrypt CA) to the certificate store.

Hope that helps.

1

click Ignore on the Custom Certificate Configuration error message, then load QGIS up and go to the plugins, it seems to work that way.

Have tested this on a windows 10 (64 bit version of QGIS).

not tested on the development version 2.99 (to be 3.0).

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