Update to Lightroom 4.3 fails on Windows Vista

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  • Updated 5 years ago
  • (Edited)
hello. i use lr 4.2 on an older e6550 dual core vista business 32bit machine with 4 gb of ram. it works slowly, but it works. i try to update to lr 4.3, as lr suggest on startup. following this link, i download the file "Lightroom_4_LS11_win_4_3.exe". i doubleclick this file several time, nothing happens.

well, if i decompress this archive, i found the 32bit and the 64bit version oft a installerpackage. if i start the 32bit version know, no update process will work, seems to be the full / trial version of lr4.3 can you please tell me, whats wrong ?
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Posted 5 years ago

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Photo of Baichao Li

Baichao Li, Lightroom Quality Engineer

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It should be a security issue.
Vista had blocked the file because it was a downloaded executable from an untrusted source (like Chrome, Firefox, not IE). You had to right-click the downloaded file and select properties, then at the bottom of the "General" tab, click "unblock".