Can't save as PDF- screen turns black. Illustrator acting very slow

Hi there,

We're so sorry to hear about this trouble. I understand that it's frustrating. I would request if you could share a few more details like:

• Is the issue related to a specific document? If yes, could you please share the document with us? You can upload it to the Creative Cloud (https://helpx.adobe.com/in/creative-cloud/help/share.html) and share the download link. 
• Where are the exported files are being saved (Network Drive/ System HDD/ Shared Folder on System /External HDD)?
• 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 try the steps suggested on this page ( https://community.adobe.com/t5/illustrator/resolve-slow-performance-and-unexpected-behaviors-in-illu... ) and share your observations with us.

We’re here to help, just need more info.    

Regards,

Srishti