Thread: Cannot Install anymore (3.39.1)
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Old 03-09-2019, 03:58 PM   #5
Marco77
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Posts: 55
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Join Date: Mar 2016
Device: PW3, Clara HD, PB740
Maybe it needs investigating further, I have the same problem after installing
the [Windows 10 1809] March 1, 2019—KB4482887 cumulative update. It could be the February one, b/c I skipped on it at first.

I could repair the 3.39.1 current install, but after I uninstalled it, calibre won't reinstall using either the 3.39.1 or 3.40.1 MSI (x86 or x64)

I have F-Secure as antivirus, but no sign anything was blocked.

EDIT: see also https://communities.vmware.com/thread/606337 KB4487044 for Windows 10 1809 seems to be the culprit

EDIT2: Workaround!
  1. Open an UAC-elevated "Command Prompt"
  2. Launch the MSI from there (directly entering its full path in quotes)
Last edited by Marco77; 03-09-2019 at 04:05 PM. Reason: w10 version
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