Alright, in my application I have a "settings" class, with various public functions which return or set the data requested/specified. However, this line of code returns a segfault:

Qt Code: 
  1. QString settings::getSomeInfo() {
  2. 	return internalAppSettings->value("main/info", "default").toString();
  3. }
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Note that this file's header is included in my Main Window class, which in turn is included in main.cpp. Also, in main.cpp, I used QCoreApplication::setOrganizationName(), QCoreApplication::setApplicationName(), and QCoreApplication::setOrganizationDomain() so that I don't need to do it many times whenever I have to declare QSettings.

This is the output from GDB, the debugger:

Qt Code: 
  1. Program received signal SIGSEGV, Segmentation fault.
  2. [Switching to Thread -1225369392 (LWP 17790)]
  3. 0x08063322 in settings::getSomeInfo (this=0x0) at src/settings.cpp:104
  4. 	 Use the -dograb option to enforce grabbing.
  5. Scope for 104:
  6. Symbol this is a variable with complex or multiple locations (DWARF2), length 4.
  7. (gdb) 
  8. Program terminated with signal SIGSEGV, Segmentation fault.
  9. The program no longer exists.
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Thanks in advance ~codeslicer