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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 14.000000000000002%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
Dear Sir/Madam,
I have bought Visual Studio 2012 Professional with MSDN almost 10 years ago, but almost in last 3 year around started by 2018, some of the book from Help Viewer cannot install success after download, the problem is:
An error occurred while updating content: File C:\ProgramData\Microsoft\HelpLibrary2\Catalogs\VisualStudio11\Incoming \Cab\v2Develop with Windows Server Technologies_9E35E875_en-us_vs.85_0(3703e4c7-d002-45bf-c1f9-96a656378c88).cab was not signed by Microsoft.
Here is the list of book cannot install:
Recommended Documentation
.NET API Reference
.NET Architecture Guide
Entity Framework
MSTest API Reference
Python Tools for Visual Studio 2017
Python Tools for Visual Studio 2019
Visual Studio 2017: C++
Visual Studio 2019 Fundamentals
Visual Studio 2019: C++
Visual Studio IntelliCode
Xamarin Mobile App Development
API Reference for Windows Store apps
Windows
Programming reference for Windows API
UWP App Development (Conceptual)
Windows Desktop App Development
Windows Driver Kit(WDK) Reference
Those are the book cannot install success with the error occurred: the cab have not signed by Microsoft.
Please help me to accomplish the installation of those book, the information of the book is important to me for my programming!
Thanks a lot.
Your sincerely,
Tsang Tak Kit
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 10%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAX%3C/text%3E%3C/svg%3E)
Hi TsangTakKit,
It seems that the error is caused by missing cab file that is treated as unsigned. Or it is signed actually, but is published with an old certificate. If so, I suggest that you send a feedback to Microsoft Product Team on Developer Community and get the book with a new signature.
By the way, the Visual Studio 2012 is an old version, we recommend you use a newer version of Visual Studio(VS2017 or VS2019) to start your work.
Best regards,
Anna