If you are seeing Error -22410 (often accompanied by “This action could not be completed” or Error 1100), it is likely not a problem with your device, but rather a server-side conflict between AltStore and Apple’s latest authentication servers.
AltStore Error 22410 is a widespread, active issue reported by many AltStore users as of this week (early February 2026).
Here is the current status and the few workarounds that are actually working.
1. The “Windows Client” Broken State
Most users reporting this error are attempting to install or refresh via Windows. The current Windows version of AltServer seems to be failing the handshake with Apple’s servers.
The Fix: If you have access to a Mac, try installing/refreshing AltStore from there. Users have reported that the macOS version of AltServer is still working correctly while the Windows version is broken.
2. The “SideStore” Alternative (Recommended)
Because this appears to be a breakage in AltStore’s legacy code, many users are temporarily switching to SideStore.
What it is: A fork of AltStore that allows you to refresh apps without a computer (using a rigid VPN loop).
How to do it: You will need to install the SideStore IPA. If AltStore is completely dead for you, you may need to use a different sideloader (like Sideloadly) to get the initial SideStore app onto your phone.
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3. What Won’t Work (Don’t Waste Your Time)
Since this is a server-side API error, the following standard fixes are currently failing for almost everyone:
❌ Reinstalling iCloud/iTunes (non-Microsoft Store versions).
❌ Creating a new Apple ID (the error persists across accounts).
❌ Restarting your router or PC.
4. Summary of Options
Option A: Wait. The developers are likely aware of the outage and will need to push an update to AltServer (Windows) to fix the authentication logic.
Option B: Use Sideloadly. If you just need to refresh an app right now and can’t wait, download Sideloadly on your PC. It uses a different signing method that is currently still working. You can use it to re-sign your apps until AltStore is fixed.
** Recommendation:** Download Sideloadly immediately to keep your apps from expiring while you wait for the AltStore patch.
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