Adobe Acrobat slow to open files.

[paul_6482]

I am having an issue since the latest windows update and Adobe updates where opening up multiple pdf's take an extremly long time. The problem appears to get worse if the file is large and the more pdf' you have open th slower it gets as well. If you close adobe acrobat down and reopen the first file opens quickly. I have 32 GB of RAM on a 13 generation i7 processor so processing power is not the issue. I have also tried disabling the security and enhanced security as well as disabling the show online storage when opening files. I have also disabled the modern Acrobat interface.

[M_L_P]

I use Adobe Reader and did wonder if this is deliberate, to make me get the upgrade? 

[diana_8423]

I am having the same issue after the latest Windows update. Has there been any resolution?  Seems to have been going on for a long time for some

[AnandSri]

Hello,

I hope you're doing well, and we apologize for the delayed response and the trouble.

Please ensure you have the latest version of Acrobat installed on the machine: 25.001.20432 Planned update, Mar 11, 2025. Check for any pending updates from the Menu > help > check for updates, install the updates, restart the app and the machine, and check. For more information, see this: https://adobe.ly/41zNXOQ.

If the issue persists when opening the PDF with the latest version, could you share a sample PDF that is slow to open? Additionally, please provide the logs from the affected machine and the current OS version details. This will help us investigate further.

For testing purposes, please disable the app's enhanced security and try opening the PDF file.

Follow these steps:

• Windows: Menu > Preferences > Security
• Mac: Acrobat > Preferences > Security
• Disable Protected Mode at Startup and Enhanced Security, then click OK.
• Restart both the app and your machine.

After testing, please re-enable the security settings and let us know the results.

Thanks,

Anand Sri.

[kwakuGH]

It worked! Thank you so much.

But please note that "Protected Mode at Startup" and "Enhanced Security" were found at:

Edit > Preferences > Security (Enhanced).

There is no need to disable "Enable Enhance Security".