diff --git a/scripts/e2e/telegram-user-credential-io.ts b/scripts/e2e/telegram-user-credential-io.ts
index 7d142e6a0720..b509b695e116 100644
--- a/scripts/e2e/telegram-user-credential-io.ts
+++ b/scripts/e2e/telegram-user-credential-io.ts
@@ -1,6 +1,7 @@
 // Telegram User Credential Io script supports OpenClaw repository automation.
 import { spawn, spawnSync } from "node:child_process";
 import { readBoundedResponseText } from "../lib/bounded-response.ts";
+import { resolveWindowsTaskkillPath } from "../lib/windows-taskkill.mjs";
 
 export type JsonObject = Record<string, unknown>;
 
@@ -272,12 +273,13 @@ export function signalChildProcessTree(
     if (signal === "SIGKILL") {
       args.push("/F");
     }
-    const result = runTaskkill("taskkill", args, { stdio: "ignore" });
+    const taskkillPath = resolveWindowsTaskkillPath();
+    const result = runTaskkill(taskkillPath, args, { stdio: "ignore" });
     if (!result?.error && result?.status === 0) {
       return;
     }
     if (signal !== "SIGKILL") {
-      const forceResult = runTaskkill("taskkill", [...args, "/F"], { stdio: "ignore" });
+      const forceResult = runTaskkill(taskkillPath, [...args, "/F"], { stdio: "ignore" });
       if (!forceResult?.error && forceResult?.status === 0) {
         return;
       }
diff --git a/test/scripts/telegram-user-credential.test.ts b/test/scripts/telegram-user-credential.test.ts
index a0c44006250c..9fa709f74086 100644
--- a/test/scripts/telegram-user-credential.test.ts
+++ b/test/scripts/telegram-user-credential.test.ts
@@ -15,10 +15,15 @@ import {
   resolvePrivateJsonDirectory,
   writePrivateJson,
 } from "../../scripts/e2e/telegram-user-credential-paths.ts";
+import { resolveWindowsTaskkillPath } from "../../scripts/lib/windows-taskkill.mjs";
 
 const tempDirs: string[] = [];
 const CHUNKED_PAYLOAD_MARKER = "__openclawQaCredentialPayloadChunksV1";
 
+function expectedTaskkillPath(): string {
+  return resolveWindowsTaskkillPath();
+}
+
 function makeTempDir(prefix: string) {
   const dir = mkdtempSync(path.join(tmpdir(), prefix));
   tempDirs.push(dir);
@@ -418,17 +423,27 @@ setInterval(() => {}, 1000);
       platform: "win32",
       runTaskkill,
     });
-    expect(runTaskkill).toHaveBeenNthCalledWith(1, "taskkill", ["/PID", "12345", "/T"], {
-      stdio: "ignore",
-    });
+    expect(runTaskkill).toHaveBeenNthCalledWith(
+      1,
+      expectedTaskkillPath(),
+      ["/PID", "12345", "/T"],
+      {
+        stdio: "ignore",
+      },
+    );
 
     signalChildProcessTree(child, "SIGKILL", {
       platform: "win32",
       runTaskkill,
     });
-    expect(runTaskkill).toHaveBeenNthCalledWith(2, "taskkill", ["/PID", "12345", "/T", "/F"], {
-      stdio: "ignore",
-    });
+    expect(runTaskkill).toHaveBeenNthCalledWith(
+      2,
+      expectedTaskkillPath(),
+      ["/PID", "12345", "/T", "/F"],
+      {
+        stdio: "ignore",
+      },
+    );
     expect(child.kill).not.toHaveBeenCalled();
   });
 
@@ -447,12 +462,22 @@ setInterval(() => {}, 1000);
       runTaskkill,
     });
 
-    expect(runTaskkill).toHaveBeenNthCalledWith(1, "taskkill", ["/PID", "12345", "/T"], {
-      stdio: "ignore",
-    });
-    expect(runTaskkill).toHaveBeenNthCalledWith(2, "taskkill", ["/PID", "12345", "/T", "/F"], {
-      stdio: "ignore",
-    });
+    expect(runTaskkill).toHaveBeenNthCalledWith(
+      1,
+      expectedTaskkillPath(),
+      ["/PID", "12345", "/T"],
+      {
+        stdio: "ignore",
+      },
+    );
+    expect(runTaskkill).toHaveBeenNthCalledWith(
+      2,
+      expectedTaskkillPath(),
+      ["/PID", "12345", "/T", "/F"],
+      {
+        stdio: "ignore",
+      },
+    );
     expect(child.kill).not.toHaveBeenCalled();
   });