Xojo crashes when starting

I tried to build my app and Xojo crashed. Now it crashes on start. I deleted the caches. But Xojo 2021r2.1 still crashes on start. 2021r3.1 starts fine, but I usually don’t use new Xojo versions without testing.

What else can I delete?

The crash is related to the update checker I would say:

RuntimeRaiseException
RaiseNilObjectException
IDEUpdateProviderResponseReceived%%oo
UpdateEngine.Provider.HandleResponse%%o<UpdateEngine.Provider>o
UpdateEngine.HandleResponse%%o
UpdateEngine.HandleResponse%b%si8oo
UpdateEngine.URLConnection_ContentReceived%%osi8s
_ZN17URLConnectionData15ContentReceivedER16URLConnectionImpRK6stringxP13stringStorage
XojoFramework$11095
__65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke
-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]
-[NSURLConnectionInternal _withActiveConnectionAndDelegate:]
___ZN27URLConnectionClient_Classic26_delegate_didFinishLoadingEU13block_pointerFvvE_block_invoke
___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2

macOS High Sierra

Go to

~/Library/Application Support/Xojo/Xojo/2021r2.1

And delete the contents of that folder.

Note: doing this from memory.

Thanks, that was the problem.

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Deleting the Application Support contents did not work for me. What did work was turning off check for updates by editing the preferences (I had it set to weekly).

Specifically on the mac I found the “Update Check Frequency” key in com.xojo.xojo.plist and changed the value to 3.

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