If a service property exists but the window it points to doesn't, then
treed3f1409ceae3b095c190fcbca251d4af119ff7ac
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-rw-r--r-- 1825 AppInfo.xml
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drwxr-xr-x - Help
-rwxr-xr-x 1620 MakeDist
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-rw-r--r-- 604 ROX-Lib.xml
drwxr-xr-x - python
drwxr-xr-x - tests