Update Known_Issues.md

Author: ahosier

Known_Issues.md

@@ -6,5 +6,6 @@
 2. In the Snapshots|Resource details pane, Physical memory mapped events may be shown before virtual allocate events.
 3. Some of the Pane navigation shortcuts may conflict with the keyboard shortcuts used by the Radeon Settings (such as ALT-R). It is recommended to remap the Radeon settings so they don't conflict.
 4. Some UI elements do not rescale properly when the OS's DPI scale settings are dynamically changed, or when dragging RMV between two monitors with different DPI scales. Close and re-open RMV to view at proper sizes.
-5. Running multiple instances of the Radeon Developer Panel is not supported. This is also true when running the Radeon Developer Panel supplied with RMV at the same time as the Radeon Developer Panel supplied with the Radeon GPU Profiler.
+5. Running multiple instances of the Radeon Developer Panel is not supported.
 6. Sparse texture are not fully supported.
+7. When tracing an application that uses a launcher, or an application that creates multiple devices, it is possible that more than one trace file will be written to disk. In the case of the launcher, adding the launcher's executable name to the Blocked applications list in the Radeon Developer Panel should prevent multiple trace files. Restarting the Radeon Developer Panel may be required before attempting to trace again.