Web Platform Installer
Signature error on package iis application initialization
Last post Dec 06, 2012 03:57 AM by Jack Liu
Oct 10, 2012 04:18 PM|LINK
Oct 10, 2012 05:20 PM|LINK
Yes, I am having the same problem.
Oct 19, 2012 01:08 PM|LINK
Me three. Tried resetting WPI. It just doesn't work.
Oct 19, 2012 05:09 PM|LINK
From the Error Log in WPI:
DownloadManager Error: 0 : Signature verification failed on downloaded file. URL:
http://download.microsoft.com/download/0/A/6/0A6790C9-C209-40A9-B4AB-94693A3CD075/appwarmup_x64.msi. File location: C:\Users\MyUserName\AppData\Local\Microsoft\Web Platform Installer\installers\ApplicationInitialization\D5EFF634EC6E1366B9F7902C230C15C3D7FA1C65\appwarmup_x64.msi.
File size: 2264 kb
Wonder if there is another way to get the file?
Oct 19, 2012 05:17 PM|LINK
I was able to click the link from my own previous post and downloaded the file separately. I check the Code Signing Certificate and it said everything was OK. So then I was able to click on the appwarmup_x64.msi file and it installed fine.
Of course, it wants you to reboot your system, so I don't know if it is all working as of yet. I will be rebooting shortly. I'll let you know how it turns out.
Nov 16, 2012 01:04 AM|LINK
I'll look into the signature validation failure issue tomorrow - thanks
Dec 06, 2012 03:57 AM|LINK
open the log, find the file location, run the application appwarmup_x64.msi.