NU3008: The package integrity check failed.

[anoorally]

Xamarin.Forms Version (eg: 6.0):

2.5.1

Operating System & Version (eg: Mac OSX 10.11):

Windows 10

Support Libraries Version (eg: 23.3.0):

25.4.0.2

Describe your Issue:

"NU3008: The package integrity check failed", when updating support libraries from 25.4.0.2 to 27.0.2.1

Steps to Reproduce (with link to sample solution if possible):

• Go to Update Tab
• Select Android support libraries
  • Xamarin.Android.Support.Compat
  • Xamarin.Android.Support.Design
  • Xamarin.Android.Support.v7.AppCompat
  • Xamarin.Android.Support.v4
  • Xamarin.Android.Support.v7.CardView
  • Xamarin.Android.Support.v7.MediaRouter
• Click Update

Include any relevant Exception Stack traces, build logs, adb logs:

Installing Xamarin.Android.Support.Transition 27.0.2.1. Signature Hash Algorithm: SHA256 NU3008: The package integrity check failed. Signature type: Author

VS bug #733082

[newky2k]

@anoorally Do you get the same thing if you add them directly, rather than upgrading? How old are you project and solution files?

I'm assigning @Redth to look into it for you.

[anoorally]

@newky2k

• I tried adding directly, I still get the integrity check error in the console.
• The project was created last week (08.10.18) for prototyping [VS 2017 Preview | Xamarin .NET Shared | Xamarin.Forms 2.5.1]

[newky2k]

@anoorally Thanks for the update Hopefully @Redth will be able to find something

[newky2k]

@anoorally Additionally, could you try clearing the packages out of your nuget cache. This will force the IDE to redownload them afresh. If they were some how corrupted during the first download, the IDE might not redownload them.

Regards

[Redth]

Closing due to lack of response. If you have more information please open a new issue and reference this one in it.