Delete .runConfig file at:
C:\Users\<username>\AppData\Roaming\Adobe\Adobe Illustrator <version-number> Settings\<language>\x64
Is Illustrator version 26.4.1 crashing or freezing as you open a file?
If you've installed Illustrator version 26.4.1 and it's crashing when you open a file, follow the below workaround to fix the issue.
For Windows
Delete .runConfig file at:
C:\Users\<username>\AppData\Roaming\Adobe\Adobe Illustrator <version-number> Settings\<language>\x64
Relaunch the app.
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