diff --git a/app/src/main/java/net/gsantner/opoc/util/ShareUtil.java b/app/src/main/java/net/gsantner/opoc/util/ShareUtil.java
index 4ebea3b7..01f92be9 100644
--- a/app/src/main/java/net/gsantner/opoc/util/ShareUtil.java
+++ b/app/src/main/java/net/gsantner/opoc/util/ShareUtil.java
@@ -144,8 +144,10 @@ public class ShareUtil {
      * @param chooserText The title text for the chooser, or null for default
      */
     public void showChooser(final Intent intent, final String chooserText) {
-        _context.startActivity(Intent.createChooser(intent,
-                chooserText != null ? chooserText : _chooserTitle));
+        try {
+            _context.startActivity(Intent.createChooser(intent, chooserText != null ? chooserText : _chooserTitle));
+        } catch (Exception ignored) {
+        }
     }
 
     /**
@@ -445,7 +447,10 @@ public class ShareUtil {
             android.content.ClipboardManager cm = ((android.content.ClipboardManager) _context.getSystemService(Context.CLIPBOARD_SERVICE));
             if (cm != null) {
                 ClipData clip = ClipData.newPlainText(_context.getPackageName(), text);
-                cm.setPrimaryClip(clip);
+                try {
+                    cm.setPrimaryClip(clip);
+                } catch (Exception ignored) {
+                }
                 return true;
             }
         }
@@ -566,19 +571,13 @@ public class ShareUtil {
                         }
                     }
 
-                    // external/ prefix for External storage
-                    if (fileStr.startsWith((tmps = "external/"))) {
-                        File f = new File(Uri.decode(Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + fileStr.substring(tmps.length())));
-                        if (f.exists()) {
-                            return f;
-                        }
-                    }
-
-                    // media/ prefix for External storage
-                    if (fileStr.startsWith((tmps = "media/"))) {
-                        File f = new File(Uri.decode(Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + fileStr.substring(tmps.length())));
-                        if (f.exists()) {
-                            return f;
+                    // prefix for External storage (/storage/emulated/0  ///  /sdcard/) --> e.g. "content://com.amaze.filemanager/storage_root/file.txt" = "/sdcard/file.txt"
+                    for (String prefix : new String[]{"external/", "media/", "storage_root/"}) {
+                        if (fileStr.startsWith((tmps = prefix))) {
+                            File f = new File(Uri.decode(Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + fileStr.substring(tmps.length())));
+                            if (f.exists()) {
+                                return f;
+                            }
                         }
                     }
 
@@ -1096,7 +1095,11 @@ public class ShareUtil {
         for (int i = 0; i < parts.length; i++) {
             DocumentFile nextDof = dof.findFile(parts[i]);
             if (nextDof == null) {
-                nextDof = ((i < parts.length - 1) || isDir) ? dof.createDirectory(parts[i]) : dof.createFile("image", parts[i]);
+                try {
+                    nextDof = ((i < parts.length - 1) || isDir) ? dof.createDirectory(parts[i]) : dof.createFile("image", parts[i]);
+                } catch (Exception ignored) {
+                    nextDof = null;
+                }
             }
             dof = nextDof;
         }