Acrobat will Not launch across the company after latest MS patch KB5027215

[nickd53241277]

Like it says in the subject, 6k endopoints affected. Anyone else have this issue?

[Test Screen Name]

If you have an enterprise license, I recommend you let Adobe know immediately, by raising a support case in the Admin Console. (Posts here do not reach the necessary people in Adobe).

It may be useful (to other users) to post more detailed symptoms for "will not launch" eg exact error messages. Also to confirm whether rolling back the patch restores Acrobat to its previous state. Also, whether Acrobat is 32-bit or 64-bit, and which version you deploy.

[nickd53241277]

Will not launch as in will not launch. No error messages,. removing patch restores Adobe. 23.003.20201 

[Larry243366464ucv]

Will not launch.  No error message.  Nothing.  Try to open Acrobat and nothing.  Some items in event viewer that don't point to anything in particular.  

After a number of restarts some users are able to lauch Acrobat.

[bigfoot87]

Same issue in our environment. 

@nickd53241277 Using Ivanti Workspace Control by any chance?

[nickd53241277]

No, we dont use Ivanit. I have a call with Adpbe support shortly, will update.

[Meenakshi Negi]

Hi nickd53241277 and H.26533922nw9a,

Thank you for reporting this.

We have shared the information with the team, and they are looking into this.

We will get back with more information on this or if any information is required.

Thanks,

Meenakshi

[Prakhendra30653664zru9]

Hello Meenakshi,

We are facing similar issue do we have any solution of this.

[nickd53241277]

are you using FireEye?

[Prakhendra30653664zru9]

Yes. FireEye Endpoint Agent 34.28.1

[nickd53241277]

did anybody find a fix yet? I had a call on Friday with support but haven't heard anything since?

[dietmar123]

If present, Fireeye HX maybe the problem in it's installed version.

[nickd53241277]

upograde to 35.31.25 that should fix it

[brenth50580292]

Did Adobe every respond and say it is an issue with the Fireeye Agent and why it is not working?  And what they are saying it the fix?

[nickd53241277]

Its no an Adobe issue, it's a Fire Eye issue. Disable Exploit Guard and the issues stops. It's fixed in the new FE version 35.31.25

[interni79511330]

We had this issue and tried several Adobe Versions but what soled the issue was removing Microsoft security patch KB5027215 - Artickle: June 13, 2023—KB5027215 (OS Builds 19044.3086 and 19045.3086) - Microsoft Support

However as an admin this is less then optimal to remove this security patch if that would leave the endpoints vulnerable.

I would suggest testing the removel before doing anything via. wsus.