VC++ fatal error LNK1168: cannot open filename.exe for writing
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- http://support.microsoft.com/kb/902196
VisualStudio - Fatal error LNK1168: cannot open myfile.exe for writing
I had this error already many times. Though your myfile.exe
is not shown in TaskManager, It is present in background yet. If you open the cmd
as administator and type:
tasklist | FIND "myfile.exe"
You can see your process running.
So at this point type the command:
taskkill /IM myfile.exe /F
in order to force the process kill.
Now, if you try to compile your project again, you'll see the compiler is ok and the error is resolved.
Surely it's possible that this error will occur again, so I suggest you to create a .bat
file that run the kill command, so you can resolve the problem quickly.
Linker Tools Error LNK1168, cannot open filename.exe for writing
Not an answer, but too long for a comment.
The snapshot in your question shows the processes (parents & children), not the handles.
To find who is blocking your file:
- Ctrl + F | Enter your executable name | Search | Wait
- Select the founded process.
- Ctrl +L
- Look for your file in the lower pane.
To close the handle: Right click the file | Close Handle
From my experience, sometimes the debugger does not end gracefully and keeps the file locked. The only solution that works for me is to close/kill VS or restart the computer. If the project is saved on Dropbox (or similar), the files might be locked while the synchronization is done and you get similar errors. The MS antivirus is smart enough not to interfere and so are most AVs.
Cannot open file for writing error when I use the VS2017 to compile
You left your program running when you tried to recompile it, so it couldn't replace the old program with the new one.
Fatal error LNK1168: cannot open filename.mexw64 for writing
MEX-files are DLLs (on Windows, shared objects on other systems). When first run, MATLAB links to them, but doesn't unlink unless explicitly told to (or quitting MATLAB of course).
Typing
clear mex
in MATLAB will unlink all MEX-files. See the relevant documentation.
But note that your MEX-file can call mxLock
, which will cause it to be locked in memory and then it will not be cleared by clear mex
. If you use this function in your MEX-file, you need to include a facility to have your MEX-file call mxUnlock
. I usually add a syntax such as mymexfile --unlock
: the MEX-file checks to see if it is called with one argument, and that argument is a string, and the string matches "--unlock", then it calls mxUnlock
.
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