diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6324ad..c829bd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
+| 5.17.2  | 2023-01-10 | `utils` fix killing powershell (windows)                                                            |
 | 5.17.1  | 2023-01-06 | `graphics()` positionX, positionY Ventura fix (max OS)                                              |
 | 5.17.0  | 2023-01-06 | `graphics()` added positionX, positionY (max OS)                                                    |
 | 5.16.9  | 2022-12-27 | updated docs                                                                                        |
diff --git a/docs/history.html b/docs/history.html
index 6743b9e..448b41e 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.17.1</th>
+                      <td>2023-01-06</td>
+                      <td><span class="code">utils</span> fix killing powershell (windows)</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.17.1</th>
                       <td>2023-01-06</td>
diff --git a/docs/index.html b/docs/index.html
index 4e361d3..2277a95 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png" alt="logo">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      <div class="version">New Version: <span id="version">5.17.1</span></div>
+      <div class="version">New Version: <span id="version">5.17.2</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/lib/util.js b/lib/util.js
index db9633f..c4daa8a 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -414,7 +414,7 @@ function powerShellRelease() {
       _psPersistent = false;
     }
   } catch (e) {
-    _psChild.kill();
+    if (_psChild) { _psChild.kill(); }
   }
   _psChild = null;
 }