diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a4e50fdea6..5da79394ebc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We fixed an issue where it was no longer possible to connect to LibreOffice. [#5261](https://github.com/JabRef/jabref/issues/5261)
 - The "All entries group" is no longer shown when no library is open.
 - We fixed an exception which occurred when closing JabRef. [#5348](https://github.com/JabRef/jabref/issues/5348)
+- We fixed a few problems that prevented JabFox to communicate with JabRef. [#4737](https://github.com/JabRef/jabref/issues/4737) [#4303](https://github.com/JabRef/jabref/issues/4303)
 - We fixed an error where the groups containing an entry loose their highlight color when scrolling. [#5022](https://github.com/JabRef/jabref/issues/5022) 
 - After assigning an entry to a group, the item count is now properly colored to reflect the new membership of the entry. [#3112](https://github.com/JabRef/jabref/issues/3112)
 - The group panel is now properly updated when switching between libraries (or when closing/opening one). [#3142](https://github.com/JabRef/jabref/issues/3142)
diff --git a/build.gradle b/build.gradle
index b3d7851f76a..7192e613482 100644
--- a/build.gradle
+++ b/build.gradle
@@ -506,14 +506,11 @@ modernizer {
 }
 
 // Release tasks
-task generateFinalJabRefPS1File(type: Copy) {
-    from('buildres') {
-        include 'JabRef.ps1'
-    }
-    into 'build'
-    filter(org.apache.tools.ant.filters.ReplaceTokens, tokens: [jabRefJarFileName: jar.archiveName])
+task deleteInstallerTemp(type: Delete) {
+    delete "$buildDir/installer"
 }
 
+jpackage.dependsOn deleteInstallerTemp
 jlink {
     options = ['--strip-debug', '--compress', '2', '--no-header-files', '--no-man-pages']
     launcher {
@@ -584,7 +581,9 @@ jlink {
                     '--app-version', "${project.version}",
                     '--win-upgrade-uuid', 'd636b4ee-6f10-451e-bf57-c89656780e36',
                     '--win-dir-chooser',
-                    '--win-shortcut'
+                    '--win-shortcut',
+                    '--temp', "$buildDir/installer",
+                    '--resource-dir', "${projectDir}/buildres"
             ]
         }
 
@@ -609,6 +608,14 @@ jlink {
         }
     }
 }
+tasks.jpackageImage.doLast {
+    copy {
+        from("/buildres/") {
+            include "jabref.json", "JabRefHost.bat", "JabRefHost.ps1"
+        }
+        into "$buildDir/distribution/JabRef"
+    }
+}
 
 jmh {
     warmupIterations = 5
diff --git a/buildres/JabRef-post-image.wsf b/buildres/JabRef-post-image.wsf
new file mode 100644
index 00000000000..56ddd9097f4
--- /dev/null
+++ b/buildres/JabRef-post-image.wsf
@@ -0,0 +1,35 @@
+<?xml version="1.0" ?>
+<package>
+   <job id="postImage">
+    <script language="jscript">
+     <![CDATA[
+        var fileSystem = new ActiveXObject("Scripting.FileSystemObject");
+        // The script is invoked in the "image" folder and not in "config" for some reason
+        var jabRefRoot = fileSystem.GetFolder(".").ParentFolder.ParentFolder.ParentFolder.ParentFolder.Path;
+        var installerConfig = jabRefRoot + "/build/installer/config/";
+
+        // Copy additional installer resources
+        fileSystem.CopyFile(jabRefRoot + "/buildres/JabRefTopBanner.bmp", installerConfig);
+
+        var wxsFilePath = installerConfig + "JabRef.wxs";
+        wxsFile = fileSystem.OpenTextFile(wxsFilePath, 1);
+        var contents = wxsFile.ReadAll();
+        wxsFile.Close();
+
+        // Add registry values for JabFox
+        contents = contents.replace("</Product>", "<DirectoryRef Id=\"TARGETDIR\"><Component Id=\"RegistryJabFoxEntries\" Guid=\"b6bc55ad-905c-4258-89b1-8b37abbe559c\" Win64=\"yes\"><RegistryKey Root=\"HKMU\" Key=\"SOFTWARE\\Mozilla\\NativeMessagingHosts\\org.jabref.jabref\" Action=\"createAndRemoveOnUninstall\" ForceCreateOnInstall=\"yes\"><RegistryValue Type=\"string\" Value=\"[APPLICATIONFOLDER]jabref.json\"/></RegistryKey></Component></DirectoryRef><Feature Id=\"JabFox\" Level=\"1\"><ComponentRef Id=\"RegistryJabFoxEntries\" /></Feature></Product>");
+
+        // Specify correct icon in Add/Remove Programs
+        contents = contents.replace("</Product>", "<Property Id=\"ARPPRODUCTICON\" Value=\"DesktopIcon.exe\" /></Product>");
+
+        // Specify banner
+        contents = contents.replace("</Product>", "<WixVariable Id=\"WixUIBannerBmp\" Value=\"JabRefTopBanner.bmp\" /></Product>");
+        //contents = contents.replace("</Product>", "<WixVariable Id=\"WixUIDialogBmp\" Value=\"\" /></Product>");
+
+         wxsFile = fileSystem.OpenTextFile(wxsFilePath, 2, true);
+         wxsFile.Write(contents);
+         wxsFile.Close();
+     ]]>
+    </script>
+   </job>
+</package>
diff --git a/buildres/JabRef.bat b/buildres/JabRefHost.bat
similarity index 60%
rename from buildres/JabRef.bat
rename to buildres/JabRefHost.bat
index 7a2cee363b0..d44d94f282c 100644
--- a/buildres/JabRef.bat
+++ b/buildres/JabRefHost.bat
@@ -1,3 +1,3 @@
 @echo off
 pushd %~dp0
-@powershell.exe -ExecutionPolicy Bypass -NoLogo -NonInteractive -NoProfile -WindowStyle Hidden -File ".\JabRef.ps1"
+@powershell.exe -ExecutionPolicy Bypass -NoLogo -NonInteractive -NoProfile -WindowStyle Hidden -File ".\JabRefHost.ps1"
diff --git a/buildres/JabRef.ps1 b/buildres/JabRefHost.ps1
similarity index 72%
rename from buildres/JabRef.ps1
rename to buildres/JabRefHost.ps1
index fe814e6013e..f31df86f74e 100644
--- a/buildres/JabRef.ps1
+++ b/buildres/JabRefHost.ps1
@@ -11,8 +11,7 @@ function Respond($response) {
     }
 }
 
-$jabRefJarFileName = "@jabRefJarFileName@"
-$jabRefJar = [System.IO.Path]::Combine($PSScriptRoot, $jabRefJarFileName)
+$jabRefExe = [System.IO.Path]::Combine($PSScriptRoot, "JabRef.exe")
 
 try {
     $reader = New-Object System.IO.BinaryReader([System.Console]::OpenStandardInput())
@@ -21,16 +20,16 @@ try {
     $message = $messageRaw | ConvertFrom-Json
 
     if ($message.Status -eq "validate") {
-        if (-not (Test-Path $jabRefJar)) {
-            return Respond @{message="jarNotFound";path=$jabRefJar}
+        if (-not (Test-Path $jabRefExe)) {
+            return Respond @{message="jarNotFound";path=$jabRefExe}
         } else {
             return Respond @{message="jarFound"}
         }
     }
-    
-    if (-not (Test-Path $jabRefJar)) {
+
+    if (-not (Test-Path $jabRefExe)) {
         $wshell = New-Object -ComObject Wscript.Shell
-        $popup = "Unable to locate '$jabRefJarFileName' in '$([System.IO.Path]::GetDirectoryName($jabRefJar))'."
+        $popup = "Unable to locate '$jabRefExe'."
         $wshell.Popup($popup,0,"JabRef", 0x0 + 0x30)
         return
     }
@@ -39,7 +38,7 @@ try {
     #$wshell.Popup($message.Text,0,"JabRef", 0x0 + 0x30)
 
     $messageText = $message.Text
-    $output = & java -jar $jabRefJar -importBibtex "$messageText" 2>&1
+    $output = & $jabRefExe -importBibtex "$messageText" 2>&1
     #$output = & echoargs -importBibtex $messageText 2>&1
     #$wshell.Popup($output,0,"JabRef", 0x0 + 0x30)
     return Respond @{message="ok";output="$output"}
diff --git a/buildres/JabRefTopBanner.bmp b/buildres/JabRefTopBanner.bmp
new file mode 100644
index 00000000000..7e95c3b8fd7
Binary files /dev/null and b/buildres/JabRefTopBanner.bmp differ
diff --git a/buildres/jabref.json b/buildres/jabref.json
index dee50f008fe..9024c5b17f4 100644
--- a/buildres/jabref.json
+++ b/buildres/jabref.json
@@ -1,7 +1,7 @@
 {
   "name": "org.jabref.jabref",
   "description": "JabRef",
-  "path": "JabRef.bat",
+  "path": "JabRefHost.bat",
   "type": "stdio",
   "allowed_extensions": [
     "@jabfox"