# Ignition Designer Launcher Connection Exception Issue

**URL:** <https://forum.inductiveautomation.com/t/ignition-designer-launcher-connection-exception-issue/29776>\
**Category:** General Discussion\
**Tags:** ignition80\
**Created:** [November 7, 2019, 10:56pm UTC](https://forum.inductiveautomation.com/t/ignition-designer-launcher-connection-exception-issue/29776 "2019-11-07T22:56:57Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [May 27, 2024, 2:56pm UTC](https://forum.inductiveautomation.com/t/ignition-designer-launcher-connection-exception-issue/29776/16 "2024-05-27T14:56:39Z")

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I going to guess you are running on an isolated network? Or with a tight firewall? See this topic:

> [@Designer startup : Verifying Signature of Designer](https://forum.inductiveautomation.com/t/designer-startup-verifying-signature-of-designer/82670):
>
> Since upgrade to version 8.1.34, on my ot network (with no internet connection) my designer takes longer to open because of this message: Verifying Signature of Designer [image] Any idea what is causing this? Even if I configure a non https connection to the gateway, samething. So it doesn't seems to be related to certificates. Thanks

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