How to fix the 'Adobe Acrobat is not responding' error?
Jul 30, 2025 am 12:49 AMAdobe Acrobat may freeze or show a "not responding" error due to temporary glitches, outdated software, corrupted files, or PDF-specific issues. 1. Close and reopen Acrobat or launch it in Safe Mode to check for plugin-related problems. 2. Update Acrobat via Help > Check for Updates or repair/reinstall through Adobe Creative Cloud. 3. Clear the cache by renaming the Preferences folder located in the AppData (Windows) or Library (Mac) directory. 4. Test different PDFs or open problematic files in another viewer to identify file-related causes, especially if large size or OCR is involved. Following these steps can typically resolve the issue without needing technical support.
Adobe Acrobat freezing or showing a "not responding" error is pretty frustrating, especially when you're in the middle of something important. The good news is, it's often fixable without needing a full reinstallation or tech support. Here are some practical steps that actually help.

1. Close and reopen Adobe Acrobat (the simple but often overlooked fix)
Sometimes, the issue is just a temporary glitch. Try closing Acrobat completely and reopening it. If it still freezes, try launching it in Safe Mode to disable plugins and custom settings:

- Hold
Ctrl
while opening Acrobat (Windows) or use the Terminal commandopen -a Adobe\ Acrobat\ DC --args -safeMode
(Mac) - This helps identify if a plugin or preference file is causing the crash
If Acrobat works fine in Safe Mode, the problem likely lies with your preferences or a third-party add-on.
2. Update or reinstall Adobe Acrobat
Outdated software can cause all sorts of issues. Make sure you're running the latest version:

- Go to Help > Check for Updates inside Acrobat
- If updates are available, install them and restart your computer
If updating doesn’t help or Acrobat won’t open at all, consider repairing or reinstalling the app through the Adobe Creative Cloud app:
- Open Creative Cloud
- Find Acrobat in your apps list
- Click the three dots and choose Repair or Uninstall, then reinstall
This usually clears up corrupted files or installation issues.
3. Clear the cache and reset preferences
Corrupted cache or preference files can make Acrobat act up. Resetting them can often resolve the issue:
- Close Acrobat completely
- Navigate to the Preferences folder:
- Windows:
C:\Users$$YourName]\AppData\Roaming\Adobe\Acrobat
- Mac:
/Users/[YourName]/Library/Application Support/Adobe/Acrobat
- Windows:
- Rename the folder (e.g., “Acrobat_old”) so Acrobat will generate a fresh one next time it starts
This resets your settings, so you may need to re-enable some preferences or toolbars afterward, but it’s worth it if it fixes the freeze.
4. Check PDF compatibility and file issues
Believe it or not, sometimes the PDF itself is the problem. Large files, embedded fonts, or damaged content can cause Acrobat to hang:
- Try opening a different PDF to see if the issue persists
- If only one file causes problems, try converting it again using another PDF creator
- You can also try opening the file in Preview (Mac) or another PDF viewer to test
Also, if the PDF was created from a scanned document or has OCR applied, that might be contributing to the issue — try simplifying the file if possible.
That’s about it. Most of the time, one of these methods gets Acrobat back on track. It’s not always obvious what causes the freeze, so going step by step usually helps pinpoint the source.
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