diff --git a/src/bled/bled.c b/src/bled/bled.c
index 3d4be7c4..51d2f526 100644
--- a/src/bled/bled.c
+++ b/src/bled/bled.c
@@ -21,6 +21,8 @@ typedef long long int(*unpacker_t)(transformer_state_t *xstate);
 smallint bb_got_signal;
 uint64_t bb_total_rb;
 printf_t bled_printf = NULL;
+read_t bled_read = NULL;
+write_t bled_write = NULL;
 progress_t bled_progress = NULL;
 unsigned long* bled_cancel_request;
 static bool bled_initialized = 0;
@@ -228,12 +230,15 @@ int64_t bled_uncompress_from_buffer_to_buffer(const char* src, const size_t src_
  *   void progress_function(const uint64_t read_bytes);
  * - point to an unsigned long variable, to be used to cancel operations when set to non zero
  */
-int bled_init(printf_t print_function, progress_t progress_function, unsigned long* cancel_request)
+int bled_init(printf_t print_function, read_t read_function, write_t write_function, 
+	progress_t progress_function, unsigned long* cancel_request)
 {
 	if (bled_initialized)
 		return -1;
 	bled_initialized = true;
 	bled_printf = print_function;
+	bled_read = read_function;
+	bled_write = write_function;
 	bled_progress = progress_function;
 	bled_cancel_request = cancel_request;
 	return 0;
diff --git a/src/bled/bled.h b/src/bled/bled.h
index 6ec51ec0..43a22562 100644
--- a/src/bled/bled.h
+++ b/src/bled/bled.h
@@ -17,6 +17,8 @@
 
 typedef void (*printf_t) (const char* format, ...);
 typedef void (*progress_t) (const uint64_t read_bytes);
+typedef int (*read_t)(int fd, void* buf, unsigned int count);
+typedef int (*write_t)(int fd, const void* buf, unsigned int count);
 
 typedef enum {
 	BLED_COMPRESSION_NONE = 0,
@@ -46,11 +48,13 @@ int64_t bled_uncompress_from_buffer_to_buffer(const char* src, const size_t src_
  * When the parameters are not NULL you can:
  * - specify the printf-like function you want to use to output message
  *   void print_function(const char* format, ...);
+ * - specify the read/write functions you want to use;
  * - specify the function you want to use to display progress, based on number of source archive bytes read
  *   void progress_function(const uint64_t read_bytes);
  * - point to an unsigned long variable, to be used to cancel operations when set to non zero
  */
-int bled_init(printf_t print_function, progress_t progress_function, unsigned long* cancel_request);
+int bled_init(printf_t print_function, read_t read_function, write_t write_function,
+    progress_t progress_function, unsigned long* cancel_request);
 
 /* This call frees any resource used by the library */
 void bled_exit(void);
diff --git a/src/bled/libbb.h b/src/bled/libbb.h
index faf71b9d..1048354f 100644
--- a/src/bled/libbb.h
+++ b/src/bled/libbb.h
@@ -125,6 +125,8 @@ typedef struct _llist_t {
 
 extern void (*bled_printf) (const char* format, ...);
 extern void (*bled_progress) (const uint64_t processed_bytes);
+extern int (*bled_read)(int fd, void* buf, unsigned int count);
+extern int (*bled_write)(int fd, const void* buf, unsigned int count);
 extern unsigned long* bled_cancel_request;
 
 #define xfunc_die() longjmp(bb_error_jmp, 1)
@@ -159,9 +161,9 @@ static inline int fnmatch(const char *pattern, const char *string, int flags) {r
 static inline pid_t wait(int* status) { *status = 4; return -1; }
 #define wait_any_nohang wait
 
-/* This override enables the display of a progress based on the number of bytes read */
+/* This enables the display of a progress based on the number of bytes read */
 extern uint64_t bb_total_rb;
-static inline int full_read(int fd, void *buf, size_t count) {
+static inline int full_read(int fd, void *buf, unsigned int count) {
 	int rb;
 
 	if (fd < 0) {
@@ -179,12 +181,12 @@ static inline int full_read(int fd, void *buf, size_t count) {
 
 	if (fd == bb_virtual_fd) {
 		if (bb_virtual_pos + count > bb_virtual_len)
-			count = bb_virtual_len - bb_virtual_pos;
+			count = (unsigned int)(bb_virtual_len - bb_virtual_pos);
 		memcpy(buf, &bb_virtual_buf[bb_virtual_pos], count);
 		bb_virtual_pos += count;
 		rb = (int)count;
 	} else {
-		rb = _read(fd, buf, (int)count);
+		rb = (bled_read != NULL) ? bled_read(fd, buf, count) : _read(fd, buf, count);
 	}
 	if (rb > 0) {
 		bb_total_rb += rb;
@@ -194,13 +196,17 @@ static inline int full_read(int fd, void *buf, size_t count) {
 	return rb;
 }
 
+static inline int full_write(int fd, const void* buffer, unsigned int count)
+{
+	return (bled_write != NULL) ? bled_write(fd, buffer, count) : _write(fd, buffer, count);
+}
+
 static inline struct tm *localtime_r(const time_t *timep, struct tm *result) {
 	if (localtime_s(result, timep) != 0)
 		result = NULL;
 	return result;
 }
 
-#define full_write _write
 #define safe_read full_read
 #define lstat stat
 #define xmalloc malloc
diff --git a/src/bled/open_transformer.c b/src/bled/open_transformer.c
index 08a495de..2bc62bfe 100644
--- a/src/bled/open_transformer.c
+++ b/src/bled/open_transformer.c
@@ -42,9 +42,12 @@ ssize_t FAST_FUNC transformer_write(transformer_state_t *xstate, const void *buf
 		memcpy(xstate->mem_output_buf + pos, buf, bufsize);
 		xstate->mem_output_size += bufsize;
 	} else {
-		nwrote = full_write(xstate->dst_fd, buf, (unsigned)bufsize);
+		nwrote = full_write(xstate->dst_fd, buf, (unsigned int)bufsize);
 		if (nwrote != (ssize_t)bufsize) {
-			bb_perror_msg("write error - %d bytes written but %d expected", (int)nwrote, (int)bufsize);
+			if (nwrote < 0)
+				bb_perror_msg("write error: %d", (int)nwrote);
+			else
+				bb_perror_msg("write error: %d bytes written but %d expected", (int)nwrote, (int)bufsize);
 			nwrote = -1;
 			goto ret;
 		}
diff --git a/src/bled/platform.h b/src/bled/platform.h
index f8819589..7345703a 100644
--- a/src/bled/platform.h
+++ b/src/bled/platform.h
@@ -220,7 +220,7 @@ static __inline uint64_t bswap_64(uint64_t x)
 #elif defined(BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN
 # define BB_BIG_ENDIAN 0
 # define BB_LITTLE_ENDIAN 1
-#elif defined(__386__) || defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64) || defined(_M_ARM) || (defined(_M_ARM64))
+#elif defined(__386__) || defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64)
 # define BB_BIG_ENDIAN 0
 # define BB_LITTLE_ENDIAN 1
 #else
diff --git a/src/format.c b/src/format.c
index c3c362d5..197fc145 100644
--- a/src/format.c
+++ b/src/format.c
@@ -2262,7 +2262,7 @@ static BOOL WriteDrive(HANDLE hPhysicalDrive, HANDLE hSourceImage)
 
 	if (img_report.compression_type != BLED_COMPRESSION_NONE) {
 		uprintf("Writing compressed image...");
-		bled_init(_uprintf, update_progress, &FormatStatus);
+		bled_init(_uprintf, NULL, NULL, update_progress, &FormatStatus);
 		bled_ret = bled_uncompress_with_handles(hSourceImage, hPhysicalDrive, img_report.compression_type);
 		bled_exit();
 		if ((bled_ret < 0) && (SCODE_CODE(FormatStatus) != ERROR_CANCELLED)) {
diff --git a/src/net.c b/src/net.c
index 19ef56a9..0ac450b1 100644
--- a/src/net.c
+++ b/src/net.c
@@ -916,7 +916,7 @@ static DWORD WINAPI DownloadISOThread(LPVOID param)
 		free(sig);
 		uprintf("Signature is valid ✓");
 		uncompressed_size = *((uint64_t*)&compressed[5]);
-		if ((uncompressed_size < 1 * MB) && (bled_init(_uprintf, NULL, &FormatStatus) >= 0)) {
+		if ((uncompressed_size < 1 * MB) && (bled_init(_uprintf, NULL, NULL, NULL, &FormatStatus) >= 0)) {
 			fido_script = malloc((size_t)uncompressed_size);
 			size = bled_uncompress_from_buffer_to_buffer(compressed, dwCompressedSize, fido_script, (size_t)uncompressed_size, BLED_COMPRESSION_LZMA);
 			bled_exit();
diff --git a/src/rufus.rc b/src/rufus.rc
index 0098818c..085846a8 100644
--- a/src/rufus.rc
+++ b/src/rufus.rc
@@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDD_DIALOG DIALOGEX 12, 12, 232, 326
 STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_ACCEPTFILES
-CAPTION "Rufus 3.9.1589"
+CAPTION "Rufus 3.9.1590"
 FONT 9, "Segoe UI Symbol", 400, 0, 0x0
 BEGIN
     LTEXT           "Drive Properties",IDS_DRIVE_PROPERTIES_TXT,8,6,53,12,NOT WS_GROUP
@@ -394,8 +394,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,9,1589,0
- PRODUCTVERSION 3,9,1589,0
+ FILEVERSION 3,9,1590,0
+ PRODUCTVERSION 3,9,1590,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -413,13 +413,13 @@ BEGIN
             VALUE "Comments", "https://rufus.ie"
             VALUE "CompanyName", "Akeo Consulting"
             VALUE "FileDescription", "Rufus"
-            VALUE "FileVersion", "3.9.1589"
+            VALUE "FileVersion", "3.9.1590"
             VALUE "InternalName", "Rufus"
             VALUE "LegalCopyright", "© 2011-2019 Pete Batard (GPL v3)"
             VALUE "LegalTrademarks", "https://www.gnu.org/licenses/gpl-3.0.html"
             VALUE "OriginalFilename", "rufus-3.9.exe"
             VALUE "ProductName", "Rufus"
-            VALUE "ProductVersion", "3.9.1589"
+            VALUE "ProductVersion", "3.9.1590"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/src/vhd.c b/src/vhd.c
index 1e2b2212..482d832b 100644
--- a/src/vhd.c
+++ b/src/vhd.c
@@ -250,7 +250,7 @@ BOOL IsCompressedBootableImage(const char* path)
 			if (buf == NULL)
 				return FALSE;
 			FormatStatus = 0;
-			bled_init(_uprintf, NULL, &FormatStatus);
+			bled_init(_uprintf, NULL, NULL, NULL, &FormatStatus);
 			dc = bled_uncompress_to_buffer(path, (char*)buf, MBR_SIZE, file_assoc[i].type);
 			bled_exit();
 			if (dc != MBR_SIZE) {