what to do for such error

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Error	1	Unable to copy file "C:\Users\Bishnu\Documents\Visual Studio 2008\Projects\MajorProjectFinal\BusinessLayer\bin\Debug\BusinessLayer.dll" to "bin\Debug\BusinessLayer.dll". The process cannot access the file 'bin\Debug\BusinessLayer.dll' because it is being used by another process.

MajorProjectFinal

i tried to run .exe file of the program located inside bin of my project name MajorProjectFinal . it executed for the first time but when i tried to compile code from my project code i.e. tried to run LoginForm() from program.cs but it generated the following error. how can i recompile without any error please reply soon
with regards bishnu karki

Posted 6-Nov-11 6:44am

vishnu karki

Updated 6-Nov-11 6:50am

Uday P.Singh

v2

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Pranit Kothari · Answer 1 · 2011-11-06T07:00:00

Solution 1

Your process is running in background, open task manager and see in process tab, your process should be running already. Right click on it and select End Process tree option.

Posted 6-Nov-11 7:00am

Pranit Kothari

Sergey Alexandrovich Kryukov · Answer 2 · 2011-11-06T07:01:00

You cannot remove/modify any open file. You cannot do it with any executable file which is loaded by any currently running project.

You need to find out who is holding your file. Sometimes it could be Visual Studio host; I also knew the cases when a Visual Studio help agent does it. Close all versions of Visual Studio, run "Task Manager" (Ctrl+Alt+Delete) to kill unwanted processes. Also, you could simply run some of your applications which you might not correctly terminate.

If you cannot manually find it out, use Sysinternals Process Manager from Sysinternals Suite, see http://technet.microsoft.com/en-us/sysinternals/bb842062[^] or the application WhoLockMe (please find by yourself, I don't have a link, sorry).

—SA

thatraja · Answer 3 · 2011-11-06T07:00:00

Solution 2

Check these
"The process cannot access the file because it is being used by another process"[^]

BUG: "Could not copy temporary files to the output directory" error message when you build a solution that contains multiple projects[^]

Posted 6-Nov-11 7:00am

thatraja