- opj("c:", "swftools", prog),
- opj("c:", "Program Files", "SWFTools", prog)
+ opj("c:", os.sep, "swftools", prog),
+ opj("c:", os.sep, "Program Files", "SWFTools", prog),
+ opj(system_drive, os.sep, program_files, "SWFTools", prog),
+ opj(basedir, prog),