[GH-ISSUE #590] Crash: The requested security protocol is not supported. #2021

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opened 2026-03-01 18:51:45 +03:00 by kerem · 0 comments

kerem commented

2026-03-01 18:51:45 +03:00

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Originally created by @giantmustache on GitHub (Feb 18, 2020).
Original GitHub issue: https://github.com/NickeManarin/ScreenToGif/issues/590

Originally assigned to: @NickeManarin on GitHub.

At the moment I start ScreenToGif I receive an error. Then the program closes down. It seems that something is not supported, although it is unclear to me what to do about it.

I used the single executable, because the installer crashed for the same reason and I hoped that this would work out for me. I have attached the log. Is there any other information you would like to have from me?

► Title -
On dispacher unhandled exception - Unknown
▬ Message -
The requested security protocol is not supported.
○ Type -
System.NotSupportedException
♦ [Version] Date/Hour -
[2.20.3] 02/18/2020 11:06:31
▲ Source -
System
▼ TargetSite -
Void ValidateSecurityProtocol(System.Net.SecurityProtocolType)
♠ StackTrace -
at System.Net.ServicePointManager.ValidateSecurityProtocol(SecurityProtocolType value)
at ScreenToGif.App.Application_Startup(Object sender, StartupEventArgs e)
at System.Windows.Application.OnStartup(StartupEventArgs e)
at System.Windows.Application.<.ctor>b__1_0(Object unused)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Originally created by @giantmustache on GitHub (Feb 18, 2020). Original GitHub issue: https://github.com/NickeManarin/ScreenToGif/issues/590 Originally assigned to: @NickeManarin on GitHub. At the moment I start ScreenToGif I receive an error. Then the program closes down. It seems that something is not supported, although it is unclear to me what to do about it. I used the single executable, because the installer crashed for the same reason and I hoped that this would work out for me. I have attached the log. Is there any other information you would like to have from me? ► Title - On dispacher unhandled exception - Unknown ▬ Message - The requested security protocol is not supported. ○ Type - System.NotSupportedException ♦ [Version] Date/Hour - [2.20.3] 02/18/2020 11:06:31 ▲ Source - System ▼ TargetSite - Void ValidateSecurityProtocol(System.Net.SecurityProtocolType) ♠ StackTrace - at System.Net.ServicePointManager.ValidateSecurityProtocol(SecurityProtocolType value) at ScreenToGif.App.Application_Startup(Object sender, StartupEventArgs e) at System.Windows.Application.OnStartup(StartupEventArgs e) at System.Windows.Application.<.ctor>b__1_0(Object unused) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) ----------------------------------

kerem

2026-03-01 18:51:45 +03:00

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