diff --git a/src/main/kotlin/com/looker/droidify/content/ProductPreferences.kt b/src/main/kotlin/com/looker/droidify/content/ProductPreferences.kt
index 96c3ee5d..c5f493e4 100644
--- a/src/main/kotlin/com/looker/droidify/content/ProductPreferences.kt
+++ b/src/main/kotlin/com/looker/droidify/content/ProductPreferences.kt
@@ -41,11 +41,11 @@ object ProductPreferences {
         CoroutineScope(Dispatchers.Default).launch {
             subject.collect { (packageName, versionCode) ->
                 if (versionCode != null) db.lockDao.insert(Lock().apply {
-                        package_name = pName
+                        package_name = packageName
                         version_code = versionCode
                     }
                 )
-                else db.lockDao.delete(pName)
+                else db.lockDao.delete(packageName)
             }
         }
     }
diff --git a/src/main/kotlin/com/looker/droidify/utility/Utils.kt b/src/main/kotlin/com/looker/droidify/utility/Utils.kt
index 517503d0..e1180598 100644
--- a/src/main/kotlin/com/looker/droidify/utility/Utils.kt
+++ b/src/main/kotlin/com/looker/droidify/utility/Utils.kt
@@ -4,8 +4,11 @@ import android.content.Context
 import android.content.pm.PackageInfo
 import android.content.pm.Signature
 import android.content.res.Configuration
+import android.database.Cursor
 import android.graphics.drawable.Drawable
 import android.os.Build
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
 import com.looker.droidify.*
 import com.looker.droidify.content.Preferences
 import com.looker.droidify.entity.InstalledItem
@@ -26,6 +29,7 @@ import com.looker.droidify.utility.extension.text.hex
 import com.topjohnwu.superuser.Shell
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.collect
+import java.io.ByteArrayOutputStream
 import java.security.MessageDigest
 import java.security.cert.Certificate
 import java.security.cert.CertificateEncodingException