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September 2, 2026
Question

Acrobat Reader 2026.002.21869 hangs in Full Screen mode after 3 pages

  • September 2, 2026
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After the latest Acrobat Reader update to version 2026.002.21869 (was installed Aug. 29, 2026 on my system), full screen mode is hanging after I view the first few (3-4) pages of a document.  I have tried multiple documents and they all exhibit the same problem.  Windows 11 25H2.  The Windows Event Viewer reports the hang.  When this happens, I eventually get the Windows message box that “This application is not responding” and I have to abort.  Also, if I disable all page transitions in Preferences, the hang does not occur.

I have also verified that the same documents work fine in full screen mode on version 2026.001.21789.  So I think there is a bug/regression in this latest version that needs quick attention from Adobe.