Double Commander – Cannot load library! Please check your installation.


  1. Install  build-essential package
    apt install build-essential 
  2. Download UNRAR source file:
  3. Extract source file into a new folder.
  4. Navigate to the new folder and run the following command to create the file:
    # make -f makefile-lib 
  5. Run the following command to install the file in /usr/lib/
    # make install-lib
    install /usr/lib

    install libunrar.a /usr/lib 
  6. Open Double Commander and try to open RAR file