I have done several troubleshooting including format my PC 3 times trying to fix this problem. I have sacrificed personal data to resolve an issue and I have not been successful. I believe is time that autodesk provide a solution or a service pack for this growing problem. If the problem is the .NET 4.5 it is included in Windows 8 and it is coming the next month. Autodesk should provide a solution for this ASAP since this will be a community wide problem.
This must be a Win 8 issue.
I have not upgrated to Win 8 - and I am not sure how much if any testing was done with Revit on Win 8.
If any of you are on subscription contract - Send in a ticket to Autodesk Tech help and have them look in to it. If not on Subscription - contact your reseller and they should be able to open a ticket with Autodesk.
Sorry I can't be of more assistance.
I found a way to make it work but not completely solve the issue so try this
I think revit isnt able to have its complete capability over unsaved files so when u start the project save it close revit and open the revit file things work properly.
works or not please reply to this message. so that i will know
I've had the same problem with Revit MEP 2012 and Revit 2013, on Windows 7. My solution was to uninstall Visual Studio 2012 (RTM) and all the .NET Framework 4.5 programs (also RTM). However, this also uninstalled the .NET Framework 4.0, so I had to reinstall that. Things seem to be working at the moment.
Uninstalling the .Net 4.5 has not been an easy task, but it has not resolved the situation. Windows 8 is coming out soon and .NET 4.5 is default. AUTODESK SHOULD BE PROVIDING A SERVICE PACK FOR THIS.
I have not been able to work since this issue started. Revit was working fine in Windows 8.
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