VS Arduino - Unable to create new sketch

Mar 21^st, 2026 at 11:10pm (UTC)

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VS Arduino › Visual Micro › Visual Studio 2019, 2022, 2026 › Unable to create new sketch - E_INVALIDARG

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Unable to create new sketch - E_INVALIDARG (Read 4937 times)

MichaelInNC Newbies Offline Posts: 3 Joined: Jan 11^th, 2016	Unable to create new sketch - E_INVALIDARG Jan 11^th, 2016 at 7:58pm	Print Post
	I just loaded the latest Arduino IDE 1.6.7, Visual Studio 2015 Community, and the Arduino for Visual Studio. I tried to create a new Arduino project according to the Your First Project, I gave it a name and I get an error. "Unable to create new sketch The parameter is incorrect. (Exception from HRESULT:0x80070057 (E_INVALIDARG)" Not a good way to start off trying to evaluating this.

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Tim@Visual Micro Administrator Offline Posts: 12204 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Unable to create new sketch - E_INVALIDARG Reply #1 - Jan 11^th, 2016 at 8:19pm	Print Post
	Hi, It's a tough one. The red bold text on the gallery page says to make sure you install C++ in the VS Setup. The light bulb highlighted note on the download page says the same. Unfortunately Arduino is C++ and the C++ option for Visual Studio is a custom tick box during install. You can add later via "Control panel>add or remove programs>visual studio>change" I am speaking to Microsoft for a suggestion of how to better prompt the C++ installation. The error you see is a Microsoft error message outside of the Visual Micro code.


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MichaelInNC Newbies Offline Posts: 3 Joined: Jan 11^th, 2016	Re: Unable to create new sketch - E_INVALIDARG Reply #2 - Jan 12^th, 2016 at 1:00pm	Print Post
	I wasn't sure if you were being sarcastic. lol Anyway I installed it on my PC at home with Windows 10 and it works fine. It's my PC at work with Win 7 Pro that's the problem. I tried to use Change and for whatever reason doesn't give me the option to change what's installed. So I'm just going to remove it and start over and see.


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MichaelInNC Newbies Offline Posts: 3 Joined: Jan 11^th, 2016	Re: Unable to create new sketch - E_INVALIDARG Reply #3 - Jan 12^th, 2016 at 5:02pm	Print Post
	I fixed it. On Win 7 Pro it didn't let me do the change through Control Panel. I had to download the file again and when I ran it I had the option to Modify. I had to go in there and enable C++. So both machines are working now.


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