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Fixed
Fixed in 2020.3.41f1, 2021.3.12f1
Votes
0
Found in
2020.3.40f1
2021.3.11f1
Issue ID
UUM-20801
Regression
No
Editor sometimes crashes when creating a new Windows form window
Reproduction steps:
# Open the attached “WinFormTest” project
# Open the “SampleScene” scene
# Enter the Play Mode
# Exit the Play Mode
# Repeat steps #3 and #4 five times
Expected result: No errors or crashes
Actual result: Error pops up “Could not register window class, win32 error 127”, closing which results in a crash
Reproducible with: 2020.3.40f1, 2021.3.11f1
Not reproducible: 2020.3.41f1, 2020.3.42f1, 2021.3.12f1, 2022.1.23f1, 2022.2.0b16, 2023.1.0a21
Reproduced on: Windows 10
First few lines of stacktrace:
0x000001D9675503A6 ((<unknown>)) (function-name not available)
0x000001D9D73AB60B (Mono JIT Code) System.Windows.Forms.Control:.ctor ()
0x000001D9D73AAEC3 (Mono JIT Code) System.Windows.Forms.ScrollableControl:.ctor ()
0x000001D9D73AAC53 (Mono JIT Code) System.Windows.Forms.ContainerControl:.ctor ()
0x000001D9D73AA543 (Mono JIT Code) System.Windows.Forms.Form:.ctor ()
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Resolution Note (fix version 2021.3.12f1):
Fixed in 2021.3.12f1
Resolution Note (fix version 2020.3.41f1):
Fixed in 2020.3.41f1