diff --git a/resources/js/helpers.js b/resources/js/helpers.js
index a6c9653..8f46d76 100644
--- a/resources/js/helpers.js
+++ b/resources/js/helpers.js
@@ -111,20 +111,20 @@ async function openLatestDownload() {
 
 async function openGameFolder() {
   const config = await getCfg()
-  const folder = config.gameexe.match(/.*\\|.*\//g, '')
+  const folder = config.gameexe?.match(/.*\\|.*\//g, '')
   
   debug.log('Opening game folder: ', folder)
 
-  if (folder.length > 0) openInExplorer(folder[0].replace(/\//g, '\\'))
+  if (folder?.length > 0) openInExplorer(folder[0].replace(/\//g, '\\'))
 }
 
 async function openGrasscutterFolder() {
   const config = await getCfg()
-  const folder = config.serverFolder.match(/.*\\|.*\//g, '')
+  const folder = config.serverFolder?.match(/.*\\|.*\//g, '')
 
   debug.log('Opening grasscutter folder: ', folder)
 
-  if (folder.length > 0) openInExplorer(folder[0].replace(/\//g, '\\'))
+  if (folder?.length > 0) openInExplorer(folder[0].replace(/\//g, '\\'))
 }
 
 // https://www.jimzhao.us/2015/09/javascript-detect-chinese-character.html
diff --git a/resources/js/index.js b/resources/js/index.js
index 373f625..b50d6ba 100644
--- a/resources/js/index.js
+++ b/resources/js/index.js
@@ -284,13 +284,21 @@ async function openDownloads() {
 
   // Disable the resource download button if a serverFolder path is not set
   if (!config.serverFolder) {
-    debug.log('Server folder not set, disabling resource download button')
+    debug.log('Server folder not set, disabling resource download button and data download button')
     document.querySelector('#resourceInstall').disabled = true
     document.querySelector('#resourceInstall').classList.add('disabled')
+
+    // Disable data installer
+    document.querySelector('#dataInstall').disabled = true
+    document.querySelector('#dataInstall').classList.add('disabled')
   } else {
-    debug.log('Server folder is set, enabling resource download button')
+    debug.log('Server folder is set, enabling resource download button and data download button')
     document.querySelector('#resourceInstall').disabled = false
     document.querySelector('#resourceInstall').classList.remove('disabled')
+
+    // Enable data installer
+    document.querySelector('#dataInstall').disabled = false
+    document.querySelector('#dataInstall').classList.remove('disabled')
   }
 }