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Standard User jelv
(knowledge is power) Wed 15-Oct-25 18:05:30
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25H2 breaks previewing of PDF files in Explorer


[link to this post] 		 
After installing the 25H2 update I can no longer see the preview of PDF files in Windows Explorer. You get the message "The file you are attempting to preview could harm your computer. If you trust the file and the source you received it from, open it to view its contents".

Googling, there is a solution for local files (they have to be unblocked), but so far I haven't found a solution for files on networked drives.

https://learn.microsoft.com/en-us/answers/questions/...

jelv

FTTC & Line rental: ZeN from March 2021

Previously: AAISP (November 2016 to March 2021) & Pulse8 line rental
Plusnet November 2001 to October 2016

Edited by jelv (Wed 15-Oct-25 18:12:00)
Standard User jchamier
(eat-sleep-adslguide) Wed 15-Oct-25 20:15:23
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Re: 25H2 breaks previewing of PDF files in Explorer


[re: jelv] [link to this post] 		 
Maybe due to the number of security issues with PDFs reported in the last year or so where embedded objects inside the PDF can be inadvertently executed.

Or its a bug.

Most likely the second 🙄

25 years of broadband connectivity since Sep 1999 trial - Live BQM
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