Visual Studio 2017专业版扩展安装异常问题咨询

Hey fellow developer,

I’ve run into this exact extension installation issue with VS 2017 Pro before! It’s super frustrating when an extension works fine on other machines but throws errors on yours—but the fix you mentioned (clearing the extension cache) is spot-on, and it resolves this problem for most cases.

Why does this happen? #

Corrupted leftover cache files from past extension installs or updates often block new extensions from setting up correctly, even if the extension package itself is fully valid.

Step-by-Step Fix (for anyone else facing this): #

• Close all running instances of Visual Studio 2017 Professional
• Open File Explorer and navigate to: %LOCALAPPDATA%\Microsoft\VisualStudio\15.0_<your_unique_instance_id>\Extensions
  (Note: The instance ID string is specific to your VS installation—look for a folder starting with 15.0_)
• Delete all files and folders inside this Extensions directory
• Restart Visual Studio and try installing the extension again

Relevant Installation Log Snippet: #

24/04/2018 09:08:51 - Found installed product - Microsoft Visual Studio Professional 2013
24/04/2018 09:08:51 - Found installed product - Microsoft Visual Studio 2013 Shell (Integrated)
24/04/2018 09:08:51 - Found installed product - Global Location
24/04/2018 09:08:51 - Found installed product - Visual St...

内容的提问来源于stack exchange，提问作者Bilgehan