Describe the bug
Angry IP Scanner executes successfully, but then pops up an error box.
To Reproduce
Run Angry IP Scanner
Expected behavior
No errors
Screenshots
If applicable, add screenshots to help explain your problem.
Versions (please copy from the About dialog or complete manually):
- Version of Angry IP Scanner
- OS, version, CPU architecture
- Java version, vendor (
java -version) - or if Windows installer was used with bundled Java
- Last working version of Angry IP Scanner (if applicable)
V 3.10. Can't copy About box because it disappears immediately after opening. Win 11. Java 26.0.2 (Oracle). Previous version of Angry IP Scanner worked.

Describe the bug
Angry IP Scanner executes successfully, but then pops up an error box.
To Reproduce
Run Angry IP Scanner
Expected behavior
No errors
Screenshots
If applicable, add screenshots to help explain your problem.
Versions (please copy from the About dialog or complete manually):
java -version) - or if Windows installer was used with bundled JavaV 3.10. Can't copy About box because it disappears immediately after opening. Win 11. Java 26.0.2 (Oracle). Previous version of Angry IP Scanner worked.