HedgehogDevelopment.SitecoreProject.Service.dll does not match the VisualStudio Sitecore TDS addin version

While syncing the TDS Project in Visual Studio, you might get the following error even after you

installed TDS Version.

Connection Test Start: 2019-12-12 01:40:51
Connection Test Pass: Content downloaded from http://testscDev//sitecore
Connection Test Pass: Sitecore TDS connection test successful
Connection Test Message: Connector version local 6.0.0.8 and msbuild 5.8.0.6
Connection Test Failure: Sitecore TDS Service DLL \HedgehogDevelopment\SitecoreProject\v9.0\bin\HedgehogDevelopment.SitecoreProject.Service.dll does not match the VisualStudio Sitecore TDS addin version.
Connection Test Finish: 2019-12-12 01:40:55

Solution:

Copy all files from 'C:\Program Files (x86)\MSBuild\HedgehogDevelopment\SitecoreProject\v9.0' and paste them into your code base path where you checkout your source code e.g. {code_base_path}/packages/HedgehogDevelopment.TDS.6.0.0.8\build.

This should resolve your problem.