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While building a lightswitch app I kept getting this error:

Error 11 Could not copy "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\LightSwitch\Client\Microsoft.LightSwitch.dll" to "Bin\Debug\bin\Microsoft.LightSwitch.dll". Exceeded retry count of 10. Failed. C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\LightSwitch\v2.0\Microsoft.LightSwitch.targets 150 10

It did not make sense to me so I tried copying the files manually, it did not work.

Thomas Fonseca
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2 Answers2

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I changed the application name on the "General Properties" page to something shorter and that did the trick!

Thomas Fonseca
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open task manager then choose "Processes" tab then you will find your project actually running , press on end process button then re-run your project have fun ;)