Hi there,
Sorry to hear about this trouble. That's not a typical experience with Illustrator. Let me help you with it. Could you please confirm which operating system you are working on? When did this start happening? Are there any recent changes made to your system? For example, any antivirus, system updates or web extensions installed recently.
You may also try resetting Illustrator preferences manually. Preference settings are saved each time you quit the application. Crashing and unexpected behavior in application can be caused due to corrupt/ damaged preferences. Please follow these steps and let us know how it goes:
For MAC
- Close all Adobe applications.
- Go to locations
- ~/Library/Caches
- ~/Library/Application Support/Adobe
- ~/Library/Preferences
- Rename Adobe Illustrator, com.adobe.illustrator and Adobe Illustrator 23 Settings folders to Adobe Illustrator.old, com.adobe.illustrator.old and Adobe Illustrator 23 Settings.old
- Launch Illustrator from the Creative Cloud.
For Windows
- Close all Adobe applications.
- Go to Location C:\Users\user\AppData\Roaming\Adobe
- Rename Adobe Illustrator and Adobe Illustrator 23 Settings folders to Adobe Illustrator.old and Adobe Illustrator 23 Settings.old
- Launch Illustrator from the Creative Cloud.
Please note that resetting preferences will remove all the custom settings and Illustrator will launch with default settings. This way all your old settings will be saved in .old folders and Illustrator will recreate new folders with default settings.
Another possible issue could be Permissions errors on Illustrator preferences folders. Here (https://helpx.adobe.com/in/illustrator/kb/preferences-folder-read-only-error.html) are the steps to resolve that.
Let us know if this information helps or you have any further questions. We'd be happy to assist.
Regards,
Srishti