If you get rid of half of them at a time that will be most effective, the ADSK ones are probably fine, but you never know 
Instead of uninstalling all the 3rd party addons. You could just cut 3rd party .dlls and .addin’s files from your C:\Program Files\Autodesk\Revit [Version]\AddIns and paste it in any folder. That would save your time in installing and uninstalling.
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Thanks Kulkul - thats what I meant, or remove the .addin files as well to be safe.
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alright so i was able to source the problem add in. i use a program called SysQue for pipe & duct fabrication parts while modeling and they have an additional program that gets bundeled during install called “StabiPlan” (https://store.mepcontent.com/en) which when i spoke with IT support from Trimble they noted that if the two versions (Dynamo & StabiPlan) didn’t match up that there was a known issue to cause problems. Of course i had left this one for last to test and uninstalled a bunch of other stuff along the way but in the end found a resolution so i’m up and running again. Thank you @Michael_Kirschner2, @Kulkul & @jacob.small for your help trouble shooting this issue!
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