Hi juanc87204857,
Thank you for reaching out, and sorry about the trouble caused.
If you are opening very large files, tit might be the reason. However, you may try the following troubleshooting steps to check if it changes anything:
1. Try repairing the Installation:
- In Acrobat, go to Menu > Help > Repair Installation.
2. Try reinstalling the application using the steps suggested below:
-Remove the application and run the cleaner tool (https://adobe.ly/43A4R22).
-Reboot the machine
-Install Adobe Acrobat from the following page: https://adobe.ly/43VlVyi.
3. Try opening multiple small-sized PDF files to check if you experience the same behavior.
Feel free to let us know if you need any help.
Thanks,
Meenakshi