diff --git a/src/app.js b/src/app.js
index f1b17606..e8bbccb4 100644
--- a/src/app.js
+++ b/src/app.js
@@ -295,6 +295,7 @@ console.log(`isLinux: ${LINUX}`);
                 console.error(err);
             }
             await AppApi.SetUserAgent();
+            await this.loadVrcxId();
             this.appVersion = await AppApi.GetVersion();
             await this.compareAppVersion();
             await this.setBranch();
@@ -2669,6 +2670,14 @@ console.log(`isLinux: ${LINUX}`);
         await configRepository.setString('VRCX_branch', this.branch);
     };
 
+    $app.data.vrcxId = '';
+    $app.methods.loadVrcxId = async function () {
+        vrcxId = await configRepository.getString(
+            'VRCX_id',
+            crypto.randomUUID()
+        );
+    };
+
     $app.methods.updateIsGameRunning = async function (
         isGameRunning,
         isSteamVRRunning,
@@ -9459,7 +9468,8 @@ console.log(`isLinux: ${LINUX}`);
                     }?${type}=${encodeURIComponent(search)}&n=5000`,
                     method: 'GET',
                     headers: {
-                        Referer: 'https://vrcx.app'
+                        Referer: 'https://vrcx.app',
+                        'VRCX-ID': this.vrcxId
                     }
                 });
                 var json = JSON.parse(response.data);
@@ -9535,7 +9545,8 @@ console.log(`isLinux: ${LINUX}`);
                 url: `${url}?authorId=${encodeURIComponent(authorId)}`,
                 method: 'GET',
                 headers: {
-                    Referer: 'https://vrcx.app'
+                    Referer: 'https://vrcx.app',
+                    'VRCX-ID': this.vrcxId
                 }
             });
             var json = JSON.parse(response.data);
diff --git a/src/classes/vrcxUpdater.js b/src/classes/vrcxUpdater.js
index c404e82e..f86dfdec 100644
--- a/src/classes/vrcxUpdater.js
+++ b/src/classes/vrcxUpdater.js
@@ -172,7 +172,10 @@ export default class extends baseClass {
             try {
                 var response = await webApiService.execute({
                     url,
-                    method: 'GET'
+                    method: 'GET',
+                    headers: {
+                        'VRCX-ID': this.vrcxId
+                    }
                 });
             } finally {
                 this.checkingForVRCXUpdate = false;
@@ -243,7 +246,10 @@ export default class extends baseClass {
             try {
                 var response = await webApiService.execute({
                     url,
-                    method: 'GET'
+                    method: 'GET',
+                    headers: {
+                        'VRCX-ID': this.vrcxId
+                    }
                 });
             } finally {
                 this.checkingForVRCXUpdate = false;
diff --git a/src/components/favorites/FavoritesAvatarTab.vue b/src/components/favorites/FavoritesAvatarTab.vue
index d8b4cddb..86aff743 100644
--- a/src/components/favorites/FavoritesAvatarTab.vue
+++ b/src/components/favorites/FavoritesAvatarTab.vue
@@ -311,7 +311,12 @@
                     }
                     for (let j = 0; j < this.localAvatarFavorites[group].length; ++j) {
                         ref = this.localAvatarFavorites[group][j];
-                        if (!ref || !ref.id) {
+                        if (
+                            typeof ref === 'undefined' ||
+                            typeof ref.id === 'undefined' ||
+                            typeof ref.name === 'undefined' ||
+                            typeof ref.authorName === 'undefined'
+                        ) {
                             continue;
                         }
                         if (ref.name.toLowerCase().includes(search) || ref.authorName.toLowerCase().includes(search)) {
@@ -324,7 +329,12 @@
 
                 for (let i = 0; i < this.favoriteAvatars.length; ++i) {
                     ref = this.favoriteAvatars[i].ref;
-                    if (!ref) {
+                    if (
+                        typeof ref === 'undefined' ||
+                        typeof ref.id === 'undefined' ||
+                        typeof ref.name === 'undefined' ||
+                        typeof ref.authorName === 'undefined'
+                    ) {
                         continue;
                     }
                     if (ref.name.toLowerCase().includes(search) || ref.authorName.toLowerCase().includes(search)) {
diff --git a/src/components/favorites/FavoritesWorldTab.vue b/src/components/favorites/FavoritesWorldTab.vue
index 96e6adf8..1acb3f55 100644
--- a/src/components/favorites/FavoritesWorldTab.vue
+++ b/src/components/favorites/FavoritesWorldTab.vue
@@ -398,7 +398,12 @@
                     }
                     for (let j = 0; j < this.localWorldFavorites[group].length; ++j) {
                         ref = this.localWorldFavorites[group][j];
-                        if (!ref || !ref.id) {
+                        if (
+                            typeof ref === 'undefined' ||
+                            typeof ref.id === 'undefined' ||
+                            typeof ref.name === 'undefined' ||
+                            typeof ref.authorName === 'undefined'
+                        ) {
                             continue;
                         }
                         if (ref.name.toLowerCase().includes(search) || ref.authorName.toLowerCase().includes(search)) {
@@ -411,7 +416,12 @@
 
                 for (let i = 0; i < this.favoriteWorlds.length; ++i) {
                     ref = this.favoriteWorlds[i].ref;
-                    if (!ref) {
+                    if (
+                        typeof ref === 'undefined' ||
+                        typeof ref.id === 'undefined' ||
+                        typeof ref.name === 'undefined' ||
+                        typeof ref.authorName === 'undefined'
+                    ) {
                         continue;
                     }
                     if (ref.name.toLowerCase().includes(search) || ref.authorName.toLowerCase().includes(search)) {