diff --git a/AES_KEY/src/AES_USB.cpp b/AES_KEY/src/AES_USB.cpp
index 58764b0..c8e90c8 100644
--- a/AES_KEY/src/AES_USB.cpp
+++ b/AES_KEY/src/AES_USB.cpp
@@ -469,6 +469,7 @@ AES_USB::HIDDevice::HIDDevice() {
 
 #elif _WIN32
     deviceHandle = INVALID_HANDLE_VALUE;
+    preparsedData = 0;
 #else
 
 #endif
diff --git a/widget.cpp b/widget.cpp
index 92ca7a4..145178e 100644
--- a/widget.cpp
+++ b/widget.cpp
@@ -148,8 +148,11 @@ void Widget::LoopRunning() {
                 ui->R_PID->setText(PID.c_str());
                 ui->R_VID->setText(VID.c_str());
                 ui->R_PIN->clear();
-                const CTL::String str = (char*)key.PIN;
-                ui->R_PIN->setText(str.c_str());
+                char PIN[21] = {0};
+                std::memcpy(PIN, key.PIN, sizeof key.PIN);
+                PIN[20] = '\0';
+                const QString str = QString::fromLocal8Bit(PIN);
+                ui->R_PIN->setText(str);
             });
             CTL::Thread::SleepMS(1000);
             const int r = writeInit();