diff --git a/build/release-x64.bat b/build/release-x64.bat
index a8450a36..959dab95 100644
--- a/build/release-x64.bat
+++ b/build/release-x64.bat
@@ -32,7 +32,8 @@ copy %SSL_BIN%\ssleay32.dll %XCHAT_DEST%\ssleay32.dll.x64
 copy %SSL_BIN%\zlib1.dll %XCHAT_DEST%\zlib1.dll.x64
 copy %ENCHANT_BIN%\libenchant.dll %XCHAT_DEST%\libenchant.dll.x64
 copy %ENCHANT_BIN%\..\lib\enchant\libenchant_myspell.dll %XCHAT_DEST%\lib\enchant\libenchant_myspell.dll.x64
-copy ..\plugins\ewc\xcewc.dll %XCHAT_DEST%\plugins\xcewc.dll.x64
+::copy ..\plugins\ewc\xcewc.dll %XCHAT_DEST%\plugins\xcewc.dll.x64
+copy ..\plugins\ewc\xcchecksum.dll %XCHAT_DEST%\plugins\xcchecksum.dll.x64
 copy ..\plugins\lua\xclua.dll %XCHAT_DEST%\plugins\xclua.dll.x64
 copy ..\plugins\perl\xcperl-510.dll %XCHAT_DEST%\plugins\xcperl-510.dll.x64
 copy ..\plugins\perl\xcperl-512.dll %XCHAT_DEST%\plugins\xcperl-512.dll.x64
diff --git a/build/release-x86.bat b/build/release-x86.bat
index f236d6bd..95c21ff5 100644
--- a/build/release-x86.bat
+++ b/build/release-x86.bat
@@ -46,7 +46,8 @@ copy %SSL_BIN%\cert.pem %XCHAT_DEST%
 copy %ENCHANT_BIN%\libenchant.dll %XCHAT_DEST%
 xcopy /q /s /i %ENCHANT_BIN%\..\lib\enchant\libenchant_myspell.dll %XCHAT_DEST%\lib\enchant\
 ::xcopy /q /s /i ..\plugins\ewc\xcewc.dll %XCHAT_DEST%\plugins\
-xcopy /q /s /i ..\plugins\lua\xclua.dll %XCHAT_DEST%\plugins\
+xcopy /q /s /i ..\plugins\checksum\xcchecksum.dll %XCHAT_DEST%\plugins\
+copy ..\plugins\upd\xclua.dll %XCHAT_DEST%\plugins
 copy ..\plugins\perl\xcperl-510.dll %XCHAT_DEST%\plugins
 copy ..\plugins\perl\xcperl-512.dll %XCHAT_DEST%\plugins
 copy ..\plugins\python\xcpython.dll %XCHAT_DEST%\plugins
diff --git a/build/xchat-wdk.iss b/build/xchat-wdk.iss
index 59a63085..cba6ff06 100644
--- a/build/xchat-wdk.iss
+++ b/build/xchat-wdk.iss
@@ -40,6 +40,7 @@ Name: "translations"; Description: "Translations"; Types: normal full custom; Fl
 Name: "spelling"; Description: "Spelling Dictionaries"; Types: full custom; Flags: disablenouninstallwarning
 Name: "plugins"; Description: "Plugins"; Types: full custom; Flags: disablenouninstallwarning
 ;Name: "plugins\ewc"; Description: "EasyWinampControl"; Types: full custom; Flags: disablenouninstallwarning
+Name: "plugins\checksum"; Description: "Checksum"; Types: normal full custom; Flags: disablenouninstallwarning
 Name: "plugins\upd"; Description: "Update Checker"; Types: normal full custom; Flags: disablenouninstallwarning
 Name: "plugins\winamp"; Description: "Winamp"; Types: full custom; Flags: disablenouninstallwarning
 Name: "plugins\xdcc"; Description: "XDCC"; Types: full custom; Flags: disablenouninstallwarning
@@ -188,6 +189,9 @@ Source: "lib\gtk-2.0\modules\libgail.dll.x64"; DestDir: "{app}\lib\gtk-2.0\modul
 ;Source: "plugins\xcewc.dll"; DestDir: "{app}\plugins"; Components: plugins\ewc; Tasks: x86
 ;Source: "plugins\xcewc.dll.x64"; DestDir: "{app}\plugins"; DestName: "xcewc.dll"; Components: plugins\ewc; Tasks: x64
 
+Source: "plugins\xcchecksum.dll"; DestDir: "{app}\plugins"; Components: plugins\checksum; Tasks: x86
+Source: "plugins\xcchecksum.dll.x64"; DestDir: "{app}\plugins"; DestName: "xcchecksum.dll"; Components: plugins\checksum; Tasks: x64
+
 Source: "plugins\xcupd.dll"; DestDir: "{app}\plugins"; Components: plugins\upd; Tasks: x86
 Source: "plugins\xcupd.dll.x64"; DestDir: "{app}\plugins"; DestName: "xcupd.dll"; Components: plugins\upd; Tasks: x64
 
diff --git a/plugins/makefile.mak b/plugins/makefile.mak
index 03bb1427..788a0fb8 100644
--- a/plugins/makefile.mak
+++ b/plugins/makefile.mak
@@ -1,7 +1,9 @@
 all:
 #	@cd ewc
 #	@-$(MAKE) /nologo /s /f makefile.mak $@
-	@cd lua
+	@cd checksum
+	@-$(MAKE) /nologo /s /f makefile.mak $@
+	@cd ..\lua
 	@-$(MAKE) /nologo /s /f makefile.mak $@
 	@cd ..\python
 	@-$(MAKE) /nologo /s /f makefile.mak $@
@@ -22,6 +24,11 @@ clean:
 #	@del ewc\*.exp
 #	@del ewc\*.lib
 #	@del ewc\*.obj
+	@del checksum\*.def
+	@del checksum\*.dll
+	@del checksum\*.exp
+	@del checksum\*.lib
+	@del checksum\*.obj
 	@del lua\*.def
 	@del lua\*.dll
 	@del lua\*.exp