Adobe Acrobat errors and troubleshooting

Troubleshoot Adobe Acrobat startup, PDF opening, printing and saving. Compare multiple local PDFs to distinguish a damaged document from an application or permission problem.

Before choosing a guide

Keep the original PDF and test a copy.
Check whether other local PDFs show the same problem.
Save pending edits before ending Acrobat processes.

Check your product and version →

Related guides 4

◫Adobe AcrobatTroubleshooting guide

A running instance of Acrobat has caused an error: fixes

Opening a PDF displays A running instance of Acrobat has caused an error

Acrobat on WindowsA running instance of Acrobat has caused an error

Checked 2026.09.11Read guide ↗

◫Adobe Acrobat / Acrobat ReaderTroubleshooting guide

Separate PDF damage from Acrobat installation damage

One PDF or every PDF fails to open

Current desktop releases on Windows

Checked 2026.09.12Read guide ↗

◫Adobe Acrobat / Acrobat ReaderTroubleshooting guide

Acrobat PDFs will not print, print blank, or show garbled text

A PDF looks readable on screen but prints blank

Acrobat / Acrobat Reader on Windows 11. These steps use the desktop app, not a browser's built-in PDF print dialog.

Checked 2026.09.12Read guide ↗

◫Adobe Acrobat / Acrobat ReaderTroubleshooting guide

Acrobat cannot save a PDF: access denied or permission errors

Saving a PDF reports access denied or insufficient permission

Acrobat / Acrobat Reader on Windows 11. Windows Security instructions apply when the relevant Microsoft Defender feature is in use.

Checked 2026.09.12Read guide ↗