You can have files with different rights anywhere on your system. One thing you can do is nuke that build folder then use chown and chmod on the content of your download folder and ensure that everything belongs to the correct user and with read/write properties.

@SGaist Thanks for the suggestion. Sorry for the very delayed reply. I tried few options as in the mentioned link. Adding the qrc path in the application's pro file worked. Thank you!!

@jsulm I meant to change some configurations, if there are some, and fasten the compilation. So if I choose the external resources step, is it feasible to do the following steps: Can I integrate the rcc command that I have to execute manually in terminal, somehow to the make step of the application, so that it is executed automatically? If I achieve the upper step, can I detect, whether the qrc was changed a new rcc compilation is necessary?

@Slv007 : Thank you. This should be an acceptable answer.

@alex_malyu I re-read and you are right. I was sure that only the main expansion file was downloaded and that the patch file download had to be initiated by the app, but this is not the case. At least for now a work around is using two files, but I might get the same problem when the app expands. I am using Windows 7 64-bit and have tried MinGW 4.9.2 compiler on Qt 5.5, MinGW 4.9 on Qt 5.4.2 and MinGW 4.8 on 5.3. I also tried MSVC2012 on Qt 5.5. I will try post a bug report and see if someone can reproduce the same.