| 50.54% | %SYSDIR% \ spool \ drivers \ x64 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 5906197 |
| 17.2% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 4747552 |
| 12.9% | %SYSDIR% \ spool \ drivers \ x64 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 21875343 |
| 9.68% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 6474194 |
| 2.15% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 13093363 |
| 2.15% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 14629604 |
| 1.08% | %SYSDIR% \ spool \ drivers \ x64 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 24435818 |
| 1.08% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 7747500 |
| 1.08% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 28012287 |
| 1.08% | %SYSDIR% \ spool \ DRIVERS \ W32X86 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 22492766 |
| 1.08% | %SYSDIR% \ spool \ drivers \ x64 \ 3 \ ptql5ui.dll | Brother QL-500/550 Printer UI Driver | Brother Industries, Ltd. | 0.3.0.0 | 31164957 |