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Consumer Products => Avast Free Antivirus / Premium Security (legacy Pro Antivirus, Internet Security, Premier) => Topic started by: Dylan666 on June 20, 2019, 09:08:41 AM

Title: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: Dylan666 on June 20, 2019, 09:08:41 AM

Hi to everybody,
after upgrading my Windows 10 to version 1903 (build 18362.175) I get a blue screen each time I try to open some kind of attachments in Outlook 2016 (version 1905 buld 11629.20246) for example PDF files or double-clicking on links in the email body.

The error message is APC_INDEX_MISMATCH without any sub-code or specific file name or other information

If I temporary turn off the Avast protection I can open the same attachments or links without any problem.
Avast is updated to version 19.5.2378 (build 19.5.4444.505)

What can I do?
Thanks in advance

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: Spec8472 on June 20, 2019, 09:12:57 AM

Thank you for reporting this, the fix is ready, it will be released soon, probably today or tomorrow.

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: Spec8472 on June 21, 2019, 08:59:48 AM

The fix is now out.

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: bob3160 on June 21, 2019, 10:01:39 PM

Update your virus definitions and reboot your computer.
(https://screencast-o-matic.com/screenshots/u/Lh/1561147083524-86990.png)

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: Dylan666 on June 22, 2019, 12:37:52 PM

I tried but the program doesn't find any update

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: bob3160 on June 22, 2019, 03:48:58 PM

Quote from: Dylan666 on June 22, 2019, 12:37:52 PM

I tried but the program doesn't find any update

Have you restarted your computer ???

Title: Re: APC Index Mismatch when opening Outlook attachment after update Windows 10 1903
Post by: Dylan666 on June 22, 2019, 06:48:43 PM

No more problem after definition ver. 190622-2