diff --git a/mac-cpp-source/Iomega Tester.cpp b/mac-cpp-source/Iomega Tester.cpp
index e4843e2..47a6275 100644
--- a/mac-cpp-source/Iomega Tester.cpp	
+++ b/mac-cpp-source/Iomega Tester.cpp	
@@ -10,6 +10,7 @@
 #include "iomega_cmds.h"
 
 bool process_command();
+void confirm_run_tip(int id);
 void printn( unsigned char *c, int n );
 void print_help();
 void scan_bus();
@@ -24,7 +25,7 @@ void main() {
     printf( "This Mac port (c) 2021 Marcio Teixeira       http://github.com/marciot/mac-tip\n" );
     printf( "Based on code (c) 2006 Gibson Research Corp  http://grc.com/tip/clickdeath.htm\n" );
 
-    SIOUXSetTitle("\pIomega Tester (Beta) V0.1");
+    SIOUXSetTitle("\pIomega Tester Beta (" __DATE__ ")");
 
     print_help();
 
@@ -58,7 +59,7 @@ bool process_command() {
         case 'i': dev_info(arg_val); break;
         case 'v': mac_list_volumes(); break;
         case 'u': mac_unmount(arg_val); break;
-        case 't': run_tip(arg_val); break;
+        case 't': confirm_run_tip(arg_val); break;
         case 'q': return false;
         case 'o': SetRichEditText(arg_str); break;
         default: printf("Unknown command, type 'h' for help\n");
@@ -66,6 +67,15 @@ bool process_command() {
     return true;
 }
 
+void confirm_run_tip(int id) {
+    char cmd[80];
+    printf("\nThis program is in BETA TESTING and may cause severe data loss!\n\nProceed [Y/N]? ");
+    gets( cmd );
+    if(tolower(cmd[0]) == 'y') {
+        run_tip(id);
+    }
+}
+
 void print_help() {
     printf(
         "\nGeneral commands:\n"
diff --git a/mac-cpp-source/Iomega Tester.µ.bin b/mac-cpp-source/Iomega Tester.µ.bin
index ee7f693..3e2166d 100644
Binary files a/mac-cpp-source/Iomega Tester.µ.bin and b/mac-cpp-source/Iomega Tester.µ.bin differ
diff --git a/mac-cpp-source/scsi/mac_scsi.cpp b/mac-cpp-source/scsi/mac_scsi.cpp
index 1f77477..9251e2b 100644
--- a/mac-cpp-source/scsi/mac_scsi.cpp
+++ b/mac-cpp-source/scsi/mac_scsi.cpp
@@ -53,7 +53,7 @@ OSErr scsi_cmd(int id, void *cmd, size_t clen, void *buff, size_t siz, size_t cn
    /* Send the command to the SCSI device and perform the requested I/O */
    err = SCSICmd( (Ptr) cmd, clen );
    if (err == noErr) {
-      OSErr io_err;
+      OSErr io_err = noErr;
       switch(flags) {
          case SCSI_WRITE | SCSI_BLIND: io_err = SCSIWBlind( (Ptr) TIB ); break;
          case SCSI_READ  | SCSI_BLIND: io_err = SCSIRBlind( (Ptr) TIB ); break;
diff --git a/mac-cpp-source/tip/tip_aspi.cpp b/mac-cpp-source/tip/tip_aspi.cpp
index ef5f527..4120d5f 100644
--- a/mac-cpp-source/tip/tip_aspi.cpp
+++ b/mac-cpp-source/tip/tip_aspi.cpp
@@ -526,7 +526,7 @@ void SetCartridgeStatusToEAX(long eax) {
             esi = szPressToStop;
             break;
         case DISK_NOT_PRESENT:
-            SetRichEditText(szNotRunning);
+            //SetRichEditText(szNotRunning);
             goto DisableActions;
         case DISK_AT_SPEED:
             eax = GetSpareSectorCounts(true); // update the Cart Condition
@@ -683,8 +683,6 @@ long PerformRegionTransfer(short XferCmd, void *pBuffer) {
     long eax = SCSICommand(CurrentDevice, Scsi, pBuffer, NumberOfLBAs * BYTES_PER_SECTOR);
     // if we failed somewhere during our transfer ... let's zero in on it
     if (eax) {
-        printf("Error during transfer %lx (lba: %ld)\n", eax, FirstLBASector);
-
         if ( eax == SS_ERR || // if it's a CONTROLLER ERROR, skip!
              eax == BUFFER_TOO_BIG ||
              eax == LBA_TOO_LARGE) {
@@ -797,7 +795,7 @@ void TestTheDisk() {
     StopApplicationTimer();
 
     PreventProgramExit();
-    SetRichEditText(szRunning);
+    //SetRichEditText(szRunning);
     CartridgeStatus = DISK_TEST_UNDERWAY;
     TestingPhase = TESTING_STARTUP; // inhibit stopping now
     SetWindowText(hTestButton, szPressToStop);
@@ -854,7 +852,7 @@ void TestTheDisk() {
             // -------------------------------
             TestingPhase = WRITING_DATA;
             UpdateRunPhaseDisplay();
-            PerformRegionTransfer(SCSI_Cmd_Verify, pUserDataBuffer);
+            PerformRegionTransfer(SCSI_Cmd_WriteMany, pUserDataBuffer);
         }
         else if (eax == LBA_TOO_LARGE) {
             // if we hit the end of the disk ... exit gracefully!
diff --git a/mac-cpp-source/tip/tip_main.cpp b/mac-cpp-source/tip/tip_main.cpp
index 4ba2cb9..8d280a7 100644
--- a/mac-cpp-source/tip/tip_main.cpp
+++ b/mac-cpp-source/tip/tip_main.cpp
@@ -201,6 +201,7 @@ void DoDiskEvent(EventRecord &event) {
         mac_get_drive_volumes(driveNum, volumes);
 
         // Ask the user whether they want to unmount the disk
+        ParamText(volumes, "\p", "\p", "\p");
         if (CautionAlert(128, NULL) == 1) {
             // The user wishes to unmount the disk
             OSErr err = mac_unmount_drive(driveNum);
@@ -253,6 +254,7 @@ int ShowAlert(AlertTypes type, const char* format, ...) {
 void SetRichEditText(const char *name) {
     static const char *lastName = 0;
     if(name == lastName) return;
+    lastName = name;
 
     if(ShowAlert(YN_DLG, "Would you like to read the document \"%s\" now?", name) == 2) {
         return;