Hello Peter,
Thank you for the post, since you state it is not project or version related it is a hard question. This does make me think it has to do with an add-in, but from now on it will be narrowing down to the issue.
The following process should narrow down which add-in is causing the issue
- Go to C:\ProgramData\Autodesk\Revit\Addins\#### (Replacing # with the version you are working with)
- Copy all the add-ins in the folder to the desktop.
- Delete the add-ins in the original folder.
- Relaunch Revit to see if the crashing continues.
If it does not, copy the Add-in files back to the original location, launching and closing Revit after each Add-in is put back in the folder to see which one is causing the issue.
Once you find the offending Add-in verify that it should be compatible with the current version of Revit (from the add-in manufacturer), and if so try uninstalling it through the Control Panel, and then reinstalling it.
If my post answers your question, please click the "Accept as Solution" button. This helps everyone find answers more quickly!
Best regards,
Josha van Reij
Arcadis NV
BIM manager