diff --git a/vscode-dotnet-runtime-library/src/Utils/CommandExecutor.ts b/vscode-dotnet-runtime-library/src/Utils/CommandExecutor.ts
index 7d98b3bb..344c4632 100644
--- a/vscode-dotnet-runtime-library/src/Utils/CommandExecutor.ts
+++ b/vscode-dotnet-runtime-library/src/Utils/CommandExecutor.ts
@@ -86,7 +86,9 @@ Please install the .NET SDK manually by following https://learn.microsoft.com/en
         return new Promise<string>((resolve, reject) =>
         {
             // The '.' character is not allowed for sudo-prompt so we use 'NET'
-            const options = { name: `${this.context?.acquisitionContext?.requestingExtensionId} On behalf of NET Install Tool` };
+            let sanitizedCallerName = this.context?.acquisitionContext?.requestingExtensionId?.replace(/[^0-9a-z]/gi, ''); // Remove non-alphanumerics per OS requirements
+            sanitizedCallerName = sanitizedCallerName?.substring(0, 69); // 70 Characters is the maximum limit we can use for the prompt.
+            const options = { name: `${sanitizedCallerName ?? '.NET Install Tool'}` };
             exec((fullCommandString), options, (error?: any, stdout?: any, stderr?: any) =>
             {
                 let commandResultString = '';