Hi my friend,
Welcome to MSDN forum.
How did you open visual studio 2012?
Firstly, please check if you click the launcher of vs 2012 instead of a web installer. Could you please share some screenshots in here?
To open VS 2012, you can go to C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE and double click devenv.exe application to see if it will give you any error about repairing or uninstalling.
How did you install visual studio 2012?
If you used the ISO file, I recommend you verify the integrity of the ISO file. If you used the web installer, please have a try with the ISO file. You could download the ISO image of visual studio Ultimate/professional 2012 from the link:https://social.msdn.microsoft.com/Search/en-US/vscom?query=visual%20studio%202012&pgArea=header&Refinement=198&emptyWatermark=true&ac=3.
To verify the integrity of the ISO file, please use the FCIV.exe tool:
http://blogs.msdn.com/b/heaths/archive/2011/03/25/verify-the-iso-checksum-for-visual-studio-2010-service-pack-1-before-installing.aspxto check the SHA1 value of the ISO. The SHA1 hash of visual studio Ultimate 2012 is
BA9DBBA6E333F0C703145DECB2900FE02E1A9E96 and the SHA1 hash of visual studio professional 2012 is
EB90FBB91EB816B217519A7725E6B3FAD46A5CC5, any discrepancy means the ISO is corrupted.
Meanwhile, please make sure you already followed the installation tips as below:
1. Windows update already up-to-date
2. Disable any anti-virus
3. Clean up the %temp% folder
4. Run the installer as administrator
Did you get any error during the installation? If there has any error message, I need your help to collect the VS installation log. Please use
http://aka.ms/vscollect to gather the installation logs. After using it, you will find vslogs.zip under %temp% folder. Please upload the file to
https://onedrive.live.com/ and share the link here.
Meanwhile, the latest VS 2012 is VS 2012 update 5, please try to download it from
https://www.visualstudio.com/downloads/download-visual-studio-vs and install it, see if the same issue will occur or not.
Best regards,
Sara
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