Visual Studio 2010, 2012 Very slow and the solution

11 Nov

I have installed VisualStudio 2010 for quite some time but suddenly it becomes very, very slow, and opening a project with dozens of files will take over 3-4 minutes, but it used to work very fast, on the same computer, the same os …

I suspect that there might be some conflict since I had installed 2012 version as well. But it turns out that this is not the cause of the poor performance.

After googling, I then find the solution here: delete all the folders named “Temporary” on your computer.

There is a good tip to get where these folders are located. Use Everything search (free tools) and search with the keyword “Temporary”, it will output all the folders on your PC instantly, as shown in the below snapshots. Delete all these folders, typically beneath Microsoft.Net\ folder.


Start VS and enjoy.

BTW: This also solved another problem for my VS: copy and cut is extremely slow, whereas paste is fine. After deleting these folders, all works fine!


Posted by on November 11, 2012 in Dotnet/C#



4 responses to “Visual Studio 2010, 2012 Very slow and the solution

  1. future garage

    November 19, 2012 at 4:42 am

    Not what I was thinking but wonderful anyway! Good for you!

  2. Gwired

    August 15, 2013 at 4:08 am

    Still after cleaning Temporary ASP.Net Very slow 😦 – VS takes > 4 min just to launch on an i7 with SSD and 8GB of ram. Spins and spins and spins. I will keep hunting for solutions…

  3. TombRaider

    December 13, 2014 at 3:19 pm

    above solution does not resolved the issue but yes got a bit better. . . but after clearing the system with TFC = “Temp File Cleaner” (URL = my VS now works quite good. . . thanks for the help.


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