diff --git a/temp/updater.bat b/temp/updater.bat
index 3daca23..904e5b6 100644
--- a/temp/updater.bat
+++ b/temp/updater.bat
@@ -1,8 +1,59 @@
-::get info and return to caller UNLESS temp\currentversion.txt is detected
+::get info and return to caller UNLESS temp\currentversion.txt is detected, not currentversionInfo.txt
 @echo off
 set newversion=6.6.3
 set changelogURL=https://modmii.github.io/changelog.html
-if exist temp\currentversion.txt (set /p currentversion= <temp\currentversion.txt) else (goto:ReturnToCaller)
+
+::Enable new hidden "set debug=on" setting when testing offline updater.bat changes, careful that this file does not accidentally get deleted during development\testing, save a copy of updater.bat the same folder as ModMii.exe and rename it Updatetemp.bat to test
+::note when ModMii downloads updater.bat it is renamed to Updatetemp.bat for legacy purposes
+if /i "%debug%" EQU "on" copy "Updatetemp.bat" "Updatetemp_backup.bat">nul
+
+::check if patch required for ModMii 6.6.3 and lower
+::do not change the below from 6.6.3 for the foreseable future, effective 6.6.4 variable will get updated
+
+if "%currentversion%"=="" set currentversion=6.6.3
+if exist temp\currentversionInfo.txt set /p currentversion= <temp\currentversionInfo.txt
+if exist temp\skin.txt (set updatermode=skin) else (set updatermode=classic)
+
+if %currentversion% GEQ 6.6.4 goto:skip
+
+::if "support\nusd.exe" modmii will override version to 0.0.0 to force a full update, no need to apply patch if missing
+if not exist "support\nusd.exe" goto:skip
+::if hashes match, then skip patching
+support\sfk md5 -quiet -verify ab70e9288c5a1da685c7174ff53763d5 "support\nusd.exe"
+if not errorlevel 1 goto:skip
+
+echo.
+echo Auto-patching ModMii to fix some NUS download issues
+echo Downloading patch files...
+
+start /min /wait support\wget --no-check-certificate -t 3 "https://raw.githubusercontent.com/modmii/modmii.github.io/master/temp/ModMii.6.6.3.patch.zip" -O temp\ModMii.6.6.3.patch.zip
+if exist temp\ModMii.6.6.3.patch.zip support\7za x -aoa "temp\ModMii.6.6.3.patch.zip" -o"Support" -r
+if exist temp\ModMii.6.6.3.patch.zip del temp\ModMii.6.6.3.patch.zip>nul
+
+::check if hashes match now
+support\sfk md5 -quiet -verify ab70e9288c5a1da685c7174ff53763d5 "support\nusd.exe"
+if not errorlevel 1 (set patchresult=pass) else (set patchresult=fail)
+
+if /i "%AudioOption%" NEQ "on" goto:nosound
+if /i "%patchresult%" EQU "pass" (start support\nircmd.exe mediaplay 3000 "support\Success.mp3") else (start support\nircmd.exe mediaplay 3000 "support\Fail.mp3")
+:nosound
+
+echo.
+if /i "%patchresult%" EQU "pass" (support\sfk echo [Green]Patching successful!) else (support\sfk echo [Red]Patching failed!)
+echo.
+
+::pop up for both skin and classic
+if /i "%patchresult%" EQU "pass" (set watext=ModMii auto-patched itself to fix some NUS download issues) & (start /w support\wizapp MB INFORMATION)
+if /i "%patchresult%" NEQ "pass" (set watext=ModMii tried and failed to patch itself to fix some NUS download issues) & (start /w support\wizapp MB STOP)
+
+:skip
+
+
+
+if not exist temp\currentversion.txt goto:ReturnToCaller
+set /p currentversion= <temp\currentversion.txt
+
+
 title ModMiiUpdater
 set UPDATENAME=ModMii
 if exist temp\skin.txt (set updatermode=skin) else (set updatermode=classic)
@@ -37,11 +88,14 @@ if exist "support\ModMiiSkin.bat" ren "support\ModMiiSkin.bat" "ModMiiSkin-v%cur
 support\7za2 x %UPDATENAME%%newversion%.zip -aoa
 del %UPDATENAME%%newversion%.zip>nul
 del support\7za2.exe>nul
+if /i "%AudioOption%" EQU "on" start support\nircmd.exe mediaplay 3000 "support\Success.mp3"
 Start ModMii.exe
 exit
 
 
 :updatefail
+
+if /i "%AudioOption%" EQU "on" start support\nircmd.exe mediaplay 3000 "support\Fail.mp3"
 echo   Update failed, check your internet connection and firewall settings.
 echo.
 echo   Press any key to return to ModMii v%currentversion%
@@ -89,6 +143,7 @@ del %UPDATENAME%%newversion%.zip>nul
 start support\wizapp2.exe PB CLOSE
 del support\7za2.exe>nul
 del support\wizapp2.exe>nul
+if /i "%AudioOption%" EQU "on" start support\nircmd.exe mediaplay 3000 "support\Success.mp3"
 Start ModMiiSkin.exe
 exit
 
@@ -100,6 +155,7 @@ start support\wizapp PB UPDATE 100
 start support\wizapp PB CLOSE
 
 set watext=~~Update check has failed, check your internet connection and firewall settings.~~Click any button to return to ModMiiSkin v%currentversion%
+if /i "%AudioOption%" EQU "on" start support\nircmd.exe mediaplay 3000 "support\Fail.mp3"
 start /w support\wizapp NOBACK TB
 
 ::set wabmp=%wabmplast%