diff --git a/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp b/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
index b0acaf00bb..26439a8811 100644
--- a/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
+++ b/Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
@@ -727,6 +727,8 @@ u32 GCMemcard::ImportFile(const DEntry& direntry, std::vector<GCMBlock>& saveBlo
     PreviousBat = &bat;
   }
 
+  FixChecksums();
+
   return SUCCESS;
 }
 
@@ -792,6 +794,8 @@ u32 GCMemcard::RemoveFile(u8 index)  // index in the directory array
     PreviousDir = &dir;
   }
 
+  FixChecksums();
+
   return SUCCESS;
 }
 
@@ -817,6 +821,7 @@ u32 GCMemcard::CopyFrom(const GCMemcard& source, u8 index)
   case NOMEMCARD:
     return NOMEMCARD;
   default:
+    FixChecksums();
     return ImportFile(tempDEntry, saveData);
   }
 }
diff --git a/Source/Core/DolphinQt2/GCMemcardManager.cpp b/Source/Core/DolphinQt2/GCMemcardManager.cpp
index 11dae1bb7e..a0b5fc1900 100644
--- a/Source/Core/DolphinQt2/GCMemcardManager.cpp
+++ b/Source/Core/DolphinQt2/GCMemcardManager.cpp
@@ -301,7 +301,7 @@ void GCMemcardManager::ExportFiles(bool prompt)
   }
 
   QString text = count == 1 ? tr("Successfully exported the save file.") :
-                              tr("Successfully exported the %1 save files.");
+                              tr("Successfully exported the %1 save files.").arg(count);
   QMessageBox::information(this, tr("Success"), text);
 }
 
@@ -322,7 +322,13 @@ void GCMemcardManager::ImportFile()
   if (path.isEmpty())
     return;
 
-  m_slot_memcard[m_active_slot]->ImportGci(path.toStdString(), "");
+  const auto result = m_slot_memcard[m_active_slot]->ImportGci(path.toStdString(), "");
+
+  if (result != SUCCESS)
+  {
+    QMessageBox::critical(this, tr("Import failed"), tr("Failed to import \"%1\".").arg(path));
+    return;
+  }
 
   if (!m_slot_memcard[m_active_slot]->Save())
     PanicAlertT("File write failed");
@@ -342,14 +348,19 @@ void GCMemcardManager::CopyFiles()
     auto sel = selection[i * m_slot_table[m_active_slot]->columnCount()];
     int file_index = memcard->GetFileIndex(m_slot_table[m_active_slot]->row(sel));
 
-    m_slot_memcard[!m_active_slot]->CopyFrom(*memcard, file_index);
+    const auto result = m_slot_memcard[!m_active_slot]->CopyFrom(*memcard, file_index);
+
+    if (result != SUCCESS)
+      QMessageBox::warning(this, tr("Copy failed"), tr("Failed to copy file"));
   }
 
-  if (!m_slot_memcard[!m_active_slot]->Save())
-    PanicAlertT("File write failed");
-
   for (int i = 0; i < SLOT_COUNT; i++)
+  {
+    if (!m_slot_memcard[i]->Save())
+      PanicAlertT("File write failed");
+
     UpdateSlotTable(i);
+  }
 }
 
 void GCMemcardManager::DeleteFiles()
@@ -375,13 +386,14 @@ void GCMemcardManager::DeleteFiles()
   {
     auto sel = selection[i * m_slot_table[m_active_slot]->columnCount()];
     int file_index = memcard->GetFileIndex(m_slot_table[m_active_slot]->row(sel));
-    memcard->RemoveFile(file_index);
+    if (memcard->RemoveFile(file_index) != SUCCESS)
+      QMessageBox::warning(this, tr("Remove failed"), tr("Failed to remove file"));
   }
 
-  QMessageBox::information(this, tr("Success"), tr("Successfully deleted files."));
-
   if (!memcard->Save())
     PanicAlertT("File write failed");
+  else
+    QMessageBox::information(this, tr("Success"), tr("Successfully deleted files."));
 
   UpdateSlotTable(m_active_slot);
   UpdateActions();