The requested operation cannot be performed on a file with a user-mapped section open

Question

Whenever I tried to copy 4 files into my bin folder, after stopping the main service, I am getting an error with one file (TexteDll). The error is:

Cannot co         


        

Answer 1

I am a developer and do not like apps injected to Registery like Unlocker. I used SysInternals Process Explorer which process locked my dll Find > Find Handle or Dll [Ctrl-F] and killed the process.