How to Repair a PDF That Opens With Garbled or Scrambled Text
A PDF that displays garbled text, random symbols, rows of blank squares, or strings of meaningless characters can look like a corrupt file that is...
How to Repair a PDF That Opens But Shows Broken or Missing Images on Only Specific Pages
You open a PDF and page seven shows an empty gray rectangle where a photograph should be. Pages one through six are perfect. Page eight is also fine.
How to Troubleshoot a PDF That Opens as a Blank White Page on iPhone or Android
You tap a PDF attachment on your phone, the viewer opens, and the screen is completely white.
How to Fix a PDF That Shows An Error Exists on This Page When You Scroll Through It
You scroll through a PDF, and a dialog box interrupts you: An error exists on this page.
How to Recover a PDF That Shows File Damaged After Sending by Email
You email a PDF to a client, and they write back: The file says it is damaged and cannot be opened.
How to Recover Content From a PDF That Crashes Every Time You Try to Open It
You double-click a PDF and your viewer opens, shows a blank white screen for a moment, and then crashes to the desktop. You try again. Same result.
How to Repair or Convert a PDF That Was Created by Newer Software and Will Not Open
A colleague sends you a PDF they created in the latest version of Adobe Acrobat.
How to Fix a PDF That Freezes, Crashes, or Loads Slowly When Scrolling on a Phone
You open a PDF on your phone and start scrolling. After the first few pages, the scrolling becomes sluggish.
Why Does My PDF Show Random Symbols or Gibberish Instead of Normal Text When I Open It
You open a PDF that was perfectly readable yesterday. Today, every page displays random symbols instead of text.
How to Repair a PDF That Shows a Damaged Error on Android or iPhone
You receive an important PDF by email, tap it on your phone to open it, and instead of the document you see an error message.
Can You Retrieve a PDF File That Was Accidentally Deleted From Your Computer
Dragging a PDF to the Recycle Bin and emptying it, or pressing Shift+Delete and watching the file vanish without ever touching the Bin, creates a...
How to Remove Duplicate Lines or Repeated Entries Inside a PDF Document
A PDF table exported from a database contains 500 rows. Opening the file reveals every row twice, or certain entries repeating in a pattern from a...
Why Does a PDF Crash the Viewer on One Specific Page
Scrolling through a PDF smoothly for 40 pages, then hitting page 41 and watching the viewer freeze, crash, or display a garbled mess of graphical...
How to Tell If a PDF Tool Is Slowing Down Your Computer
A PDF tool that takes three seconds to open a file is working normally. One that takes 30 seconds, causes other applications to stutter, or spins up...
How to Repair a PDF That Shows Duplicate Page Content
Opening a PDF and seeing the same page repeated twice, or finding that a 10-page document now displays 20 pages with every page duplicated, signals a...
How to Repair a PDF With Cross-Reference Table Corruption
A PDF internal cross-reference table is the index that tells a PDF reader where every object in the file is located.
Can You Recover a PDF After Antivirus Software Quarantines It
Yes, in many cases you can recover a PDF after antivirus software quarantines it.
How to Repair a PDF With an Incorrect Creation or Modification Date
A PDF created in 2025 shows a creation date of January 1, 1970. Another shows a modification date of December 31, 1969. These are not real dates.
How to Repair a PDF Showing Unicode Text Rendering Errors
A PDF displays Asian characters as empty rectangles. European accented characters appear as nonsense symbols.
How to Repair a PDF That Displays Incorrect or Negative Page Numbers
You open a PDF and the page counter in the toolbar displays something impossible. Page -1 of 47. Page 0 of 32.
