I've been going through different fixes for a few weeks and nothing seems to work. Prior to updating everything to iOS 26 and OS 26, everything worked normally except for the predictive code which wouldn't download.
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
User Info: {
DVTErrorCreationDateKey = "2026-01-02 23:41:12 +0000";
}
Download failed.
Domain: DVTDownloadableErrorDomain
Code: 41
Failed fetching catalog for assetType (com.apple.MobileAsset.iOSSimulatorRuntime), serverParameters ({
RequestedBuild = 23C54;
})
Domain: DVTDownloadsUtilitiesErrorDomain
Code: -1
Download failed due to a bad URL. (Catalog download for com.apple.MobileAsset.iOSSimulatorRuntime)
Domain: com.apple.MobileAssetError.Download
Code: 49
User Info: {
checkConfiguration = 1;
}
System Information
macOS Version 26.0 (Build 25A354)
Xcode 26.2 (24553) (Build 17C52)
Timestamp: 2026-01-02T16:41:12-07:00
What I've Tried
Cleared caches
Restarted my machine
Reinstalled Xcode
Installed other versions of Xcode
Installed Xcode-beta
Using a VPN
Not using a VPN
Changing DNS settings
Using a different Wifi network
Using an older machine
Using an older OS
I've run out of options and I have no idea what else to do. The issue every time seems to point back to Apple servers.
Topic:
Developer Tools & Services
SubTopic:
Xcode
Tags:
Xcode Server
Xcode
Xcode Sanitizers and Runtime Issues
iPad and iOS apps on visionOS