Ask to downloada pdf: download progress zero, close, cancel download, re-open ff download finishes!
This was happening before FF 36.01 and also displayed garbaged fonts etc. in viewed pdfs Now have set all pdf's to use Adobe Reader 9.5 and display is OK. But the download progress bar does not move from 0. When I quit FF it says that this will stop download: OK this. No file in directory Immediately re-start FF and look at download progress: rapidly moves to finish File now in folder !!!
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There have been issues reported on Windows Vista with the kb3013455 update from Microsoft. Microsoft has released an update to address these issues. MS15-010: Description of the security update for Windows kernel mode driver: February 10, 2015:
Fix for text quality degradation after security update 3013455 (MS15-010) is installed:
Although Vista is SP2, I'm way behind on updates (I know !!, but I prefer not to upset a working PC having had bad problems in the past). Neither of these KB's is installed and the problem only appeared a few weeks ago, not sure when, since I rarely download pdf's.
Since switching all application options named 'Adobe Acrobat...' to 'Use Adobe Reader 9.5' the font problem has disappeared, but the odd download behaviour remains.
I find it puzzling that the download continues on reopening Firefox despite having clicked OK on 'This will cancel download' when exiting the previous session.