I have Visual Studio 2017. SSIS and SSRS worked fine until yesterday.

But now, when I click on SSIS "Edit Script" button, nothing happens.

I have uninstalled SSDT and re-installed, but I am still having the problem.

Microsoft.SqlServer.ScriptTask.dll exists on these folders:

1. C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Tasks (and C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Tasks)
2. C:\Program Files\Microsoft SQL Server\150\DTS\Tasks (and C:\Program Files\Microsoft SQL Server\110\DTS\Tasks)
3. C:\Windows\Microsoft.NET\assembly\GAC\_MSIL\Microsoft.SqlServer.ScriptTask\v4.0\_11.0.0.0\_\_89845dcd8080cc91 (and C:\Windows\Microsoft.NET\assembly\GAC\_MSIL\Microsoft.SqlServer.ScriptTask\v4.0\_12.0.0.0\_\_89845dcd8080cc91, C:\Windows\Microsoft.NET\assembly\GAC\_MSIL\Microsoft.SqlServer.ScriptTask\v4.0\_13.0.0.0\_\_89845dcd8080cc91 and C:\Windows\Microsoft.NET\assembly\GAC\_MSIL\Microsoft.SqlServer.ScriptTask\v4.0\_14.0.0.0\_\_89845dcd8080cc91)

Why out of a sudden the "Edit Script" button does not work, and how can I fix this issue ?

Thank you