Run: %ProgramFiles(x86)%\Microsoft Visual Studio\Installer\resources\app\layout\InstallCleanup.exe -i.We have mitigated a couple of possible causes and continue to explore both mitigations and long-term remedies, but in the meantime, you will need to clean up, or obliterate, the instance and re-install. Subsequent operations in the Visual Studio Installer fail, and if you reopen the Visual Studio Installer you may not see any instances installed – only what products are available. [installerId: SetupEngine, error: System.NullReferenceException: Object reference not set to an instance of an object.Īt .InstanceRepository.GetInstance()Īt .CacheRepository.d_32.MoveNext()Īt .GetInstalledProductSummariesImpl()Īt .GetInstalledProductSummaries() If you open the latest %TEMP%\dd_client*.log file you may see an exception stack trace like, T03:20:00 : Error : Failed to get installed product summaries. Please try again.Ī product matching the following parameters cannot be found:
A small number of users are seeing errors after installing or modifying Visual Studio 2017 like the following,
