xcode iconUsers looking to install the free Xcode 4.1 developer tools for OS X Lion released last month have been running into an issue that has caused difficulties with the installation process. During the installation process, users are prompted to quit iTunes if it is running, but the alert does not disappear even after iTunes has been quit and the installation remains stalled.

In Apple's support document on the issue, the company notes that users also need to quit the iTunesHelper process, which can be found in and exited from the Activity Monitor utility. Once iTunesHelper has been quit, the installation proceeds normally.

Apple today addressed that confusing behavior with the release of Xcode 4.1.1 through the Mac App Store, a small delta update that removes the installation alert that has been causing problems for users. Users who have already successfully installed Xcode 4.1 do not need to install the updated version.

What's New in Version 4.1.1

This is a delta update to Install Xcode.app that fixes the "Installation Alert" to quit iTunes. You do not need to re-run the installer if you already have Xcode 4.1 for Lion successfully installed, as the included tools are unchanged in this update.

Xcode 4.1.1 remains a free download in the Mac App Store, but does require OS X Lion.

Top Rated Comments

mbarriault Avatar
182 months ago
Tried again, it still said 3.17 GB but it only took a minute. Guess they just don't show the overall size of the delta.
Score: 3 Votes (Like | Disagree)
res1233 Avatar
182 months ago
I knew it was unnecessary, but I decided to grab the upgrade anyway just to get rid of the notification, since it was small... except it started to download 3.17 GB worth. Not exactly small. Are the delta updates not working yet?
No, it was a delta update. Are you sure you hadn't deleted the installer previously? It would redownload the entire thing if you had.

Delta Updates? Xcode? You are a funny guy.
Actually, Xcode should be coming in delta updates from now on. Apple mentioned at WWDC that Xcode 4.1 would be divided up into packages to reduce download size of updates, and if you check in the Install Xcode.app bundle, that's exactly what they did. It isn't perfect, but it seems we won't have to download the entire thing over again.

Hmm, I just noticed there's a package labeled "iPhoneSimulatorSDK4_3Patch1.pkg". That may mean that you won't even have to re-download entire packages in the future. I take it back. It seems like they did it perfectly! :D
Score: 1 Votes (Like | Disagree)
cragmr Avatar
182 months ago
I knew it was unnecessary, but I decided to grab the upgrade anyway just to get rid of the notification, since it was small... except it started to download 3.17 GB worth. Not exactly small. Are the delta updates not working yet?

Delta Updates? Xcode? You are a funny guy.
Score: -5 Votes (Like | Disagree)

Popular Stories

iPhone 17 Pro in Hand Feature Lowgo

iPhone 17 Pro Coming Soon With These 14 New Features

Friday July 4, 2025 1:05 pm PDT by
Apple's next-generation iPhone 17 Pro and iPhone 17 Pro Max are just over two months away, and there are plenty of rumors about the devices. Below, we recap key changes rumored for the iPhone 17 Pro models. Latest Rumors These rumors surfaced in June and July:Apple logo repositioned: Apple's logo may have a lower position on the back of the iPhone 17 Pro models, compared to previous...
Apple Watch Ultra Night Mode Screen

Apple Watch Ultra 3 Launching Later This Year With Two Key Upgrades

Wednesday July 2, 2025 1:13 pm PDT by
The long wait for an Apple Watch Ultra 3 appears to be nearly over, and it is rumored to feature both satellite connectivity and 5G support. Apple Watch Ultra's existing Night Mode In his latest Power On newsletter, Bloomberg's Mark Gurman said that the Apple Watch Ultra 3 is on track to launch this year with "significant" new features, including satellite connectivity, which would let you...
iPhone 17 Pro in Hand Feature Lowgo

iPhone 17 Pro Max Battery Capacity Leaked

Thursday July 3, 2025 5:40 am PDT by
The iPhone 17 Pro Max will feature the biggest ever battery in an iPhone, according to the Weibo leaker known as "Instant Digital." In a new post, the leaker listed the battery capacities of the iPhone 11 Pro Max through to the iPhone 16 Pro Max, and added that the iPhone 17 Pro Max will feature a battery capacity of 5,000mAh: iPhone 11 Pro Max: 3,969mAh iPhone 12 Pro Max: 3,687mAh...
airpods pro 2

AirPods Pro 3 to Help Maintain Apple's Place in Earbud Market Amid Increasing Low-Cost Competition

Thursday July 3, 2025 7:25 am PDT by
Apple's position as the dominant force in the global true wireless stereo (TWS) earbud market is expected to continue through 2025, according to Counterpoint Research. The forecast outlines a 3% year-over-year increase in global TWS unit shipments for 2025, signaling a transition from rapid growth to a more mature phase for the category. While Apple is set to remain the leading brand by...
iphone 16 pro models 1

Here's How the iPhone 17 Pro Max Will Compare to the iPhone 17 Pro

Saturday July 5, 2025 1:00 pm PDT by
Apple should unveil the iPhone 17 series in September, and there might be one bigger difference between the Pro and Pro Max models this year. As always, the Pro Max model will be larger than the Pro model:iPhone 17 Pro: 6.3-inch display iPhone 17 Pro Max: 6.9-inch displayGiven the Pro Max is physically larger than the Pro, it has more internal space, allowing for a larger battery and...
apple silicon mac lineup 2024 feature purple m5

Apple's Upcoming Macs Listed in New Report

Thursday July 3, 2025 9:09 am PDT by
AppleInsider's Marko Zivkovic today shared a list of alleged identifiers for future Mac models, which should roll out over the next year or so. The report does not reveal anything too surprising, but it does serve as further evidence that Apple is seemingly working on new models of every Mac, including the MacBook Air, MacBook Pro, iMac, Mac mini, Mac Studio, and Mac Pro. Apple is...