I recently upgraded to revit 2014 from revit 2013. i later uninstalled 2013 to free up some space. ever since then i am having athis issue.
Currently i am working on 13.rvt file, which i started in 2014. it is about 20 MB size now.
From April 2013 to June 2013 i was working on studio 2 final model.rvt file. The project was entirely done in 2013 and is 120MB.
I use student version free 3 yr license on a Windows 7 32 bit OS
So after installing 2014 removing 2013,
1) my computer for some reason does not automatically recognise the program to open the files in. However when i open revit and then open 13.rvt from inside it works.
2) I still could not open studio 2 final model.rvt file it get an error stating the memory is too low.however i was able to use this file until i installed 2014 revit.
3) after trying to open studio 2 final model.rvt file and getting the error, i cannot open 13.rvt file too. i get a similar error, until i restart the computer and open.
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1) You will need to make Revit the default program to open this file. Please right click on the rvt file. In the new pop window, choose Revit and check the box for "always use this program". Please see image.
2/3) We have seen this issue when customers are using 32bit operating system. Very often this issue is resolved by installing a 64bit OS.
If your file is less than 20x bigger than the file you are trying to open, you will see that error. For example a 50MB file will need a 1000MB of RAM to open.
Others to try/check:
Hope that helps