Adobe Acrobat DC has a horizontal white bar / box appear intermittently to cover across the top or bottom part of pdf. The covering area becomes unclickable, nothing happens when you click in any area.
Content Summary
Solution 1: Upgrade GPU driver
Solution 2: Update Adobe Acrobat
Solution 3: Repair Adobe Acrobat Installation
Solution 4: Reset Adobe Acrobat Preferences to Default for Windows
Solution 5: Reset Adobe Acrobat Preferences to Default for Mac OS
Solution 6: Reinstall Adobe Acrobat
Reference
Solution 1: Upgrade GPU driver
Acrobat has dependencies on the graphics driver for viewing preferences. Upgrade graphic card driver may fix this issue.
Solution 2: Update Adobe Acrobat
Check for any pending updates of Acrobat Standard DC from help > check for updates, reboot the machine after installing the updates and see if this brings any difference.
Solution 3: Repair Adobe Acrobat Installation
Repairing Acrobat once from help > repair installation, reboot the machine.
Solution 4: Reset Adobe Acrobat Preferences to Default for Windows
This solution removes custom settings for Collaboration, JavaScripts, Security, Stamps, Color Management, Auto Fill, Web Capture, and Updater.
Step 1: Quit Acrobat.
Step 2: In Windows Explorer, go to the Preferences folder:
Windows 10, 7/Vista: C:\Users\[username]\AppData\Roaming\Adobe\Acrobat\[version]
XP: C:\Documents and Settings\[username]\Application Data\Adobe\Acrobat\[version]
AppData / Application Data folder is hidden by default, go to Control Panel > Folder Options > View tab > Under Advanced settings > select Show hidden files, folders, and drives, and then select OK.
Step 3: Move the Preferences folder to another location (for example, C:\Temp).
Step 4: Restart Acrobat.
Note: If the problem recurs after you restore the Acrobat Preferences folder, then the problem isn’t related to the Preferences folder. To restore custom settings, drag the folder you moved in step 2 back to its original location. Then click Yes to All to replace the new Preferences folder.
Solution 5: Reset Adobe Acrobat Preferences to Default for Mac OS
Restore the Acrobat preferences files to eliminate problems caused by a damaged preferences file.
Step 1: Quit Acrobat.
Step 2: Drag the following files from the Users/[Username]/Library/Preferences folder to the Desktop:
– Acrobat WebCapture Cookies
– com.adobe.Acrobat.Pro.plist or com.adobe.Acrobat.Pro_x86_9.0.plist
– Acrobat Distiller Prefs and com.adobe.Acrobat.Pro.plist (if you are troubleshooting an issue with Distiller)
– The Acrobat folder, which contains preferences for forms (MRUFormsList), collaboration (OfflineDocs), and color settings (AcrobatColor Settings.csf)
Step 3: Restart Acrobat
Note: If the problem recurs after you restore the Acrobat preferences files, then the problem isn’t related to preferences files. To restore custom settings, drag the files you moved in step 2 back to their original location. Then click OK to the alert A newer item named ‘[filename]’ already exists in this location. Do you want to replace it with the older one you’re moving?
Solution 6: Reinstall Adobe Acrobat
Step 1: Use Acrobat cleaner tool to remove Adobe Acrobat DC.
Step 2: Reboot computer.
Step 3: Download Pro or Standard versions of Acrobat DC, 2017, XI, or X.
Step 4: Install Adobe Acrobat DC back.
Reference
Adobe Forums: Acrobat Window is cut off
Adobe Forums: White bar covering up drawings at bottom of pdf?
Adobe Forums: How to reset Acrobat Preference settings to default.
Microsoft Support: Show hidden files
