VS Arduino - Error when clicking Rescan Toolchains and Libraries

Sep 21^st, 2026 at 8:37am (UTC)

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VS Arduino › Visual Micro › Installation & Troubleshooting › Error when clicking Rescan Toolchains and Libraries

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Error when clicking Rescan Toolchains and Libraries (Read 2867 times)

Rex@HK Newbies Offline Posts: 3 Joined: Mar 17^th, 2019	Error when clicking Rescan Toolchains and Libraries Mar 17^th, 2019 at 9:01pm	Print Post
	Visual Studio 2017 Community Visual Micro 1903.12.1 Tried uninstall and install, enable and disable. Same issue. It used to run properly for a few days, now Visual Micro cannot load online libraries list and clicking rescan also pops the same error.

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Rex@HK Newbies Offline Posts: 3 Joined: Mar 17^th, 2019	Re: Error when clicking Rescan Toolchains and Libraries Reply #1 - Mar 17^th, 2019 at 9:12pm	Print Post
	There is also a strange behaviour during uninstallation. When I finished uninstall, I click on View Install Log. Instead of showing the install log, it activated my Ardupilot Mission Planner software, which is totally wrong...


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Tim@Visual Micro Administrator Offline Posts: 12224 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Error when clicking Rescan Toolchains and Libraries Reply #2 - Mar 17^th, 2019 at 10:16pm	Print Post
	1) Thanks for the post. I can replicate the issue when I click Library Manager > "Check for updates" The check for updates downloads an updated library json file from arduino.cc and there is some error reading the file. There is an update for visual micro due over the next few hours which should also contain a fix. I see you are using the latest pre-release from the forum, this is correct and the update will be published a s new post in that area of the forum. 2) In windows you can associate file extensions to applications. It looks like .log files are associated to the adupilot mission planner. I suspect the mission planner installer associates the files.


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E-RAB Newbies Offline Posts: 8 Joined: Mar 17^th, 2019	Re: Error when clicking Rescan Toolchains and Libraries Reply #3 - Mar 17^th, 2019 at 10:20pm	Print Post
	Edit: That reply wasn't there when I was writing this. You can ignore this. I'd like to state that I'm also getting this error and did the same exact things. Visual Studio 2017 was updated to the latest version and I uninstalled and then installed the newest version of Visual Micro. I want to clean install Visual Micro, but it doesn't seem like that's very easy. It keeps a bunch of data cached from what I can tell. Edit: Ninja posted
	« Last Edit: Mar 17^th, 2019 at 10:22pm by E-RAB »

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Tim@Visual Micro Administrator Offline Posts: 12224 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Error when clicking Rescan Toolchains and Libraries Reply #4 - Mar 18^th, 2019 at 1:42am	Print Post
	There is a fix here. https://www.visualmicro.com/forums/YaBB.pl?board=VS_ARDUINO_EXT_RELEASES Thanks again
	« Last Edit: Mar 18^th, 2019 at 1:45am by Tim@Visual Micro »

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Rex@HK Newbies Offline Posts: 3 Joined: Mar 17^th, 2019	Re: Error when clicking Rescan Toolchains and Libraries Reply #5 - Mar 18^th, 2019 at 8:08pm	Print Post
	Thank you very much for your quick response!! Problem fixed~ For issue 2, I found your hypothesis correct, .log has a default application settings pointing to Mission Planner. Tim@Visual Micro wrote on Mar 17^th, 2019 at 10:16pm: 1) Thanks for the post. I can replicate the issue when I click Library Manager > "Check for updates" The check for updates downloads an updated library json file from arduino.cc and there is some error reading the file. There is an update for visual micro due over the next few hours which should also contain a fix. I see you are using the latest pre-release from the forum, this is correct and the update will be published a s new post in that area of the forum. 2) In windows you can associate file extensions to applications. It looks like .log files are associated to the adupilot mission planner. I suspect the mission planner installer associates the files.


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