diff --git a/Frameworks/Sparkle/NSFileManager+Verification.m b/Frameworks/Sparkle/NSFileManager+Verification.m
index c0ddb959e..ed8d6744f 100755
--- a/Frameworks/Sparkle/NSFileManager+Verification.m
+++ b/Frameworks/Sparkle/NSFileManager+Verification.m
@@ -121,7 +121,7 @@ EVP_PKEY* load_dsa_key(char *key)
 	for (di = 0; di < 16; di++)
 	    sprintf(hexDigest + di*2, "%02x", digest[di]);
 	
-	return [hash isEqualToString:[NSString stringWithCString:hexDigest]];
+	return [hash isEqualToString:[NSString stringWithUTF8String:hexDigest]];
 }
 
 - (BOOL)validatePath:(NSString *)path withEncodedDSASignature:(NSString *)encodedSignature
diff --git a/Frameworks/Sparkle/SUAppcast.h b/Frameworks/Sparkle/SUAppcast.h
index 209fe2061..542f7dc5e 100755
--- a/Frameworks/Sparkle/SUAppcast.h
+++ b/Frameworks/Sparkle/SUAppcast.h
@@ -23,5 +23,5 @@
 @end
 
 @interface NSObject (SUAppcastDelegate)
-- appcastDidFinishLoading:(SUAppcast *)appcast;
+- (void)appcastDidFinishLoading:(SUAppcast *)appcast;
 @end
\ No newline at end of file
diff --git a/Frameworks/Sparkle/SUStatusChecker.m b/Frameworks/Sparkle/SUStatusChecker.m
index 0bc341c55..d76bee5e4 100755
--- a/Frameworks/Sparkle/SUStatusChecker.m
+++ b/Frameworks/Sparkle/SUStatusChecker.m
@@ -67,7 +67,7 @@
 	}
 	@catch (NSException *e)
 	{
-		NSLog([e reason]);
+		NSLog(@"%@", [e reason]);
 
 		[scDelegate statusChecker:self foundVersion:nil isNewVersion:NO];	
 	}
diff --git a/Frameworks/Sparkle/SUUnarchiver.m b/Frameworks/Sparkle/SUUnarchiver.m
index a273ebb0a..514001bbd 100755
--- a/Frameworks/Sparkle/SUUnarchiver.m
+++ b/Frameworks/Sparkle/SUUnarchiver.m
@@ -27,7 +27,7 @@
 	if ((fp = fopen([archivePath UTF8String], "r")))
 	{
 		setenv("DESTINATION", [[archivePath stringByDeletingLastPathComponent] UTF8String], 1);
-		if ((cmdFP = popen([command cString], "w")))
+		if ((cmdFP = popen([command UTF8String], "w")))
 		{
 			char buf[32*1024];
 			long len;
diff --git a/Frameworks/Sparkle/SUUpdater.m b/Frameworks/Sparkle/SUUpdater.m
index 5911fd4c1..0a92d6683 100755
--- a/Frameworks/Sparkle/SUUpdater.m
+++ b/Frameworks/Sparkle/SUUpdater.m
@@ -334,7 +334,7 @@
 	}
 	@catch (NSException *e)
 	{
-		NSLog([e reason]);
+		NSLog(@"%@", [e reason]);
 		updateInProgress = NO;
 		if (verbose)
 			[self showUpdateErrorAlertWithInfo:SULocalizedString(@"An error occurred in retrieving update information. Please try again later.", nil)];
@@ -435,7 +435,7 @@
 		[unarchiver unarchivePath:downloadPath]; // asynchronous extraction!
 	}
 	@catch(NSException *e) {
-		NSLog([e reason]);
+		NSLog(@"%@", [e reason]);
 		[self showUpdateErrorAlertWithInfo:SULocalizedString(@"An error occurred while extracting the archive. Please try again later.", nil)];
 		[self abandonUpdate];
 	}	
@@ -504,7 +504,7 @@
 	}
 	@catch(NSException *e) 
 	{
-		NSLog([e reason]);
+		NSLog(@"%@", [e reason]);
 		[self showUpdateErrorAlertWithInfo:SULocalizedString(@"An error occurred during installation. Please try again later.", nil)];
 		[self abandonUpdate];		
 	}
diff --git a/Frameworks/Sparkle/Sparkle.xcodeproj/project.pbxproj b/Frameworks/Sparkle/Sparkle.xcodeproj/project.pbxproj
index 5471dcb27..f0a59d3da 100755
--- a/Frameworks/Sparkle/Sparkle.xcodeproj/project.pbxproj
+++ b/Frameworks/Sparkle/Sparkle.xcodeproj/project.pbxproj
@@ -663,7 +663,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.4;
 				PREBINDING = NO;
-				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
+				SDKROOT = /Developer/SDKs/MacOSX10.5.sdk;
 				SYMROOT = ../../build;
 				WARNING_CFLAGS = "-wall";
 			};
@@ -680,7 +680,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.4;
 				PREBINDING = NO;
-				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
+				SDKROOT = /Developer/SDKs/MacOSX10.5.sdk;
 				SYMROOT = ../../build;
 				WARNING_CFLAGS = "-wall";
 			};