Win 10 JOSM app has lost Win minimize, maximize, close icons at top right of Window.

[tonyosm9@…]

What steps will reproduce the problem?

1. startup

What is the expected result?

What happens instead?

Please provide any additional information below. Attach a screenshot if possible.

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-04-06 02:17:07 +0200 (Mon, 06 Apr 2020)
Build-Date:2020-04-06 00:18:43
Revision:16239
Relative:URL: ^/trunk

Identification: JOSM/1.5 (16239 en_GB) Windows 10 64-Bit
OS Build number: Windows 10 Home 1903 (18362)
Memory Usage: 727 MB / 989 MB (383 MB allocated, but free)
Java version: 1.8.0_251-b08, Oracle Corporation, Java HotSpot(TM) Client VM
Screen: \Display0 1920x1080, \Display1 1920x1080
Maximum Screen Size: 1920x1080

Plugins:
+ AddrInterpolation (35405)
+ BuildingGeneralization (23)
+ ColorPlugin (1537115529)
+ DirectDownload (35248)
+ EasyPresets (1583691763)
+ FastDraw (35405)
+ HouseNumberTaggingTool (35248)
+ Mapillary (1.5.21)
+ OpenStreetCam (307)
+ OpeningHoursEditor (35414)
+ ShapeTools (1240)
+ apache-commons (35362)
+ apache-http (35092)
+ buildings_tools (35405)
+ changeset-viewer (22)
+ conflation (0.6.4)
+ ejml (35313)
+ geotools (35169)
+ javafx-windows (35375)
+ jaxb (35092)
+ jna (35092)
+ jogl (1.2.3)
+ jts (35122)
+ log4j (35092)
+ measurement (35405)
+ opendata (35405)
+ pt_assistant (2.1.10-79-gb14a159)
+ public_transport (35405)
+ reverter (35409)
+ routes (35405)
+ tageditor (35258)
+ terracer (35327)
+ turnlanes-tagging (283)
+ utilsplugin2 (35405)
+ wikipedia (1.1.3)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/EnglandWalesRightsOfWay&zip=1
+ %UserProfile%\Documents\OSM\Presets\TS2 FP Preset.xml
+ %UserProfile%\Documents\OSM\Presets\TS3 Historic Preset.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/OpenStationMap&zip=1
+ %UserProfile%\Documents\OSM\Presets\TS4 Rooftop Solar Power Generation.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Post_box_UK&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Historical_Objects&zip=1

Map paint styles:
- %UserProfile%\TonyTestMapPaintStyle
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransportV2&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Sidewalks&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Modified&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_buildings&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/SimpleBuildingTags&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1

Last errors/warnings:
- E: Skipping to the next rule, because of an error:
- E: org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException: Encountered " "/" "/ "" at line 8, column 5.
- W: javax.imageio.IIOException: Inconsistent metadata read from stream
- W: javax.imageio.IIOException: Inconsistent metadata read from stream

[GerdP]

In case you didn't find it yourself: The log shows you are running a 32bit Java version on 64 bit OS.