diff --git a/CHANGELOG.md b/CHANGELOG.md
index 607a09c..0777810 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 4.30.4         | 2020-11-25     | reverted Object.freeze because it broke some projects |
 | 4.30.3         | 2020-11-25     | security update (prototype pollution prevention) Object.freeze |
 | 4.30.2         | 2020-11-25     | security update (prototype pollution prevention) |
 | 4.30.1         | 2020-11-12     | updated docs |
diff --git a/docs/history.html b/docs/history.html
index a263315..77e7c0d 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -83,6 +83,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.30.4</th>
+                    <td>2020-11-25</td>
+                    <td>reverted Object.freeze because it broke some projects</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.30.3</th>
                     <td>2020-11-25</td>
diff --git a/docs/index.html b/docs/index.html
index 6e90312..085bb83 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -168,7 +168,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.30.3</span></div>
+      <div class="version">Current Version: <span id="version">4.30.4</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/index.js b/lib/index.js
index a44025f..d23ed9e 100755
--- a/lib/index.js
+++ b/lib/index.js
@@ -21,8 +21,8 @@
 // Dependencies
 // ----------------------------------------------------------------------------------
 
-Object.freeze(String.prototype);
-Object.freeze(Object.prototype);
+// Object.freeze(String.prototype);
+// Object.freeze(Object.prototype);
 
 const lib_version = require('../package.json').version;
 const util = require('./util');
diff --git a/lib/internet.js b/lib/internet.js
index 15a5309..f6f7fc5 100644
--- a/lib/internet.js
+++ b/lib/internet.js
@@ -52,52 +52,57 @@ function inetChecksite(url, callback) {
         status: 404,
         ms: -1
       };
-      if (urlSanitized && !util.isPrototypePolluted()) {
-        let t = Date.now();
-        if (_linux || _freebsd || _openbsd || _netbsd || _darwin || _sunos) {
-          let args = ' -I --connect-timeout 5 -m 5 ' + urlSanitized + ' 2>/dev/null | head -n 1 | cut -d " " -f2';
-          let cmd = 'curl';
-          exec(cmd + args, function (error, stdout) {
-            let statusCode = parseInt(stdout.toString());
-            result.status = statusCode || 404;
-            result.ok = !error && (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304);
-            result.ms = (result.ok ? Date.now() - t : -1);
-            if (callback) { callback(result); }
-            resolve(result);
-          });
-        }
-        if (_windows) {   // if this is stable, this can be used for all OS types
-          const http = (urlSanitized.startsWith('https:') ? require('https') : require('http'));
-          try {
-            http.get(urlSanitized, (res) => {
-              const statusCode = res.statusCode;
-
+      try {
+        if (urlSanitized && !util.isPrototypePolluted()) {
+          let t = Date.now();
+          if (_linux || _freebsd || _openbsd || _netbsd || _darwin || _sunos) {
+            let args = ' -I --connect-timeout 5 -m 5 ' + urlSanitized + ' 2>/dev/null | head -n 1 | cut -d " " -f2';
+            let cmd = 'curl';
+            exec(cmd + args, function (error, stdout) {
+              let statusCode = parseInt(stdout.toString());
               result.status = statusCode || 404;
-              result.ok = (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304);
-
-              if (statusCode !== 200) {
-                res.resume();
-                result.ms = (result.ok ? Date.now() - t : -1);
-                if (callback) { callback(result); }
-                resolve(result);
-              } else {
-                res.on('data', () => { });
-                res.on('end', () => {
-                  result.ms = (result.ok ? Date.now() - t : -1);
-                  if (callback) { callback(result); }
-                  resolve(result);
-                });
-              }
-            }).on('error', () => {
+              result.ok = !error && (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304);
+              result.ms = (result.ok ? Date.now() - t : -1);
               if (callback) { callback(result); }
               resolve(result);
             });
-          } catch (err) {
-            if (callback) { callback(result); }
-            resolve(result);
           }
+          if (_windows) {   // if this is stable, this can be used for all OS types
+            const http = (urlSanitized.startsWith('https:') ? require('https') : require('http'));
+            try {
+              http.get(urlSanitized, (res) => {
+                const statusCode = res.statusCode;
+
+                result.status = statusCode || 404;
+                result.ok = (statusCode === 200 || statusCode === 301 || statusCode === 302 || statusCode === 304);
+
+                if (statusCode !== 200) {
+                  res.resume();
+                  result.ms = (result.ok ? Date.now() - t : -1);
+                  if (callback) { callback(result); }
+                  resolve(result);
+                } else {
+                  res.on('data', () => { });
+                  res.on('end', () => {
+                    result.ms = (result.ok ? Date.now() - t : -1);
+                    if (callback) { callback(result); }
+                    resolve(result);
+                  });
+                }
+              }).on('error', () => {
+                if (callback) { callback(result); }
+                resolve(result);
+              });
+            } catch (err) {
+              if (callback) { callback(result); }
+              resolve(result);
+            }
+          }
+        } else {
+          if (callback) { callback(result); }
+          resolve(result);
         }
-      } else {
+      } catch (err) {
         if (callback) { callback(result); }
         resolve(result);
       }
diff --git a/lib/util.js b/lib/util.js
index facf1ec..877627e 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -527,7 +527,6 @@ function isPrototypePolluted() {
   const ms = Date.now();
   if (typeof ms === 'number' && ms > 1600000000000) {
     const l = ms % 100 + 15;
-    let c = 0;
     for (let i = 0; i < l; i++) {
       const r = Math.random() * 61.99999999 + 1;
       const rs = parseInt(Math.floor(r).toString(), 10)
@@ -563,7 +562,7 @@ function isPrototypePolluted() {
     notPolluted = notPolluted && (stl.length === l) && stl[l - 1] && !(stl[l])
     for (let i = 0; i < l; i++) {
       const s1 = st[i];
-      const s2 = stl[i];
+      const s2 = stl ? stl[i] : '';
       const s1l = s1.toLowerCase();
       notPolluted = notPolluted && s1l[0] === s2 && s1l[0] && !(s1l[1]);
     }