Using version 3.3.07 click Settings to report an error
Down is the log

Spine Launcher 3.8.82
Esoteric Software LLC (C) 2013-2020 | http://esotericsoftware.com
Windows 7 Ultimate x86 6.1
Update available: Spine 3.8.94
Starting: Spine 3.3.07
Spine 3.3.07 Professional, LWJGL
Licensed to: *****, *****
Error loading language: Chinese Simplified
java.io.IOException: Stream closed
at java.base/java.io.PushbackInputStream.ensureOpen(Unknown Source)
at java.base/java.io.PushbackInputStream.read(Unknown Source)
at qjj.dvp.ve.<init>(Unknown Source)
at aQ.t(SourceFile)
at aQ.i(SourceFile:135)
at aQ.a(SourceFile:182)
at FC.a(SourceFile:34)
at FC.<init>(SourceFile:29)
at com.esotericsoftware.spine.editor.Editor.a(SourceFile:238)
at ad.d(SourceFile:192)
at ae.addNotify(SourceFile:90)
at java.desktop/java.awt.Container.addImpl(Unknown Source)
at java.desktop/java.awt.Container.add(Unknown Source)
at am.c(SourceFile:135)
at ao.run(SourceFile:96)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
NVIDIA Corporation
GeForce GTX 1050/PCIe/SSE2
4.6.0 NVIDIA 390.65
Error reading hotkeys.txt file:
Invalid action: Rulers
Invalid action: Top
Invalid action: Bottom
Invalid action: Focus - Dopesheet
Invalid action: Focus - Tree
Invalid action: Focus - Viewport
Invalid action: Audio View
Invalid action: Mesh Tools View
Invalid action: Preview View
Invalid action: Skins View
Invalid action: Slot Color View
Invalid action: Local Axes
Invalid action: Parent Axes
Invalid action: World Axes
Invalid action: Brush Increase
Invalid action: Brush Increase (10)
Invalid action: Brush Decrease
Invalid line: Brush Decrease (10): shift + ':'
Invalid action: Feather Increase
Invalid action: Feather Increase (10)
Invalid action: Feather Decrease
Invalid action: Feather Decrease (10)
Invalid action: Weights - Strength Increase
Invalid action: Weights - Strength Increase (10)
Invalid action: Weights - Strength Decrease
Invalid action: Weights - Strength Decrease (10)
Invalid action: Auto Scroll
Invalid action: Scroll To Selected
Invalid action: Select All
Invalid action: Select - Bones
Invalid action: Select - Child Bones
Invalid action: Select - Descendant Bones
Invalid action: Select - Slots
Invalid action: Select - Draw Order
Invalid action: Previous Selection
Invalid action: Next Selection
Invalid action: Add Selection 0
Invalid action: Add Selection 1
Invalid action: Add Selection 2
Invalid action: Add Selection 3
Invalid action: Add Selection 4
Invalid action: Add Selection 5
Invalid action: Add Selection 6
Invalid action: Add Selection 7
Invalid action: Add Selection 8
Invalid action: Add Selection 9
Invalid action: Duplicate
Invalid action: Show All Bones/Slots
Invalid action: Tree Up
Invalid action: Tree Down
Invalid action: Collapse
Invalid action: Expand
Invalid action: Search
Invalid action: Search - Next
Invalid action: Search - Previous
Invalid action: Search - Select All
Invalid action: Search - Clear
Invalid action: Tree Filter
Invalid action: Main Menu
Invalid action: Open Project (Browse)
Invalid action: Repeat Last Texture Packer
Invalid action: Texture Unpacker
Invalid action: Next Skin
Invalid action: Previous Skin
Invalid action: New Clipping
Invalid action: New Folder
Invalid action: Edit Mesh - New
Invalid action: Edit Mesh - Reset
Invalid action: Edit Mesh - Generate
Invalid action: Edit Mesh - Trace
Invalid action: Edit Mesh - Triangles
Invalid action: Edit Mesh - Dim
Invalid action: Edit Mesh - Isolate
Invalid action: Dopesheet Filter
Invalid action: Key Attachment
Invalid action: Select Keys
Invalid action: Speed - Slower
Invalid action: Speed - Faster
Invalid action: Speed - 100%
Started.
Sorry, an unexpected error has occurred:
java.lang.ArrayIndexOutOfBoundsException: -1
at hz.a(SourceFile:128)
at com.badlogic.gdx.scenes.scene2d.ui.SelectBox.e(SourceFile:275)
at yg.a(SourceFile:190)
at xR.a(SourceFile:489)
at xR.ad(SourceFile:423)
at xR.<init>(SourceFile:408)
at re.a(SourceFile:378)
at gt.a(SourceFile:28)
at eD.a(SourceFile:181)
at eD.a(SourceFile:146)
at com.badlogic.gdx.scenes.scene2d.ui.Button.b(SourceFile:123)
at ff.b(SourceFile:91)
at gv.b(SourceFile:89)
at eJ.a(SourceFile:58)
at eL.b(SourceFile:355)
at o.b(SourceFile:96)
at av.e(SourceFile:332)
at ah.run(SourceFile:236)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)