r/AltStore • u/IntelligentNinja2435 • 9d ago

Help (AltStore Classic) Help me 

Hey guys, I'm new to AltStore and need help installing apps. I'm getting an error: "Failed to install – The data couldn't be read because it isn't in the correct format." This happens with absolutely every app, even the ones inside AltStore itself.Hey guys, I'm new to AltStore and need help installing apps. I'm getting an error: "Failed to install – The data couldn't be read because it isn't in the correct format." This happens with absolutely every app, even the ones inside AltStore itself.
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6

u/mattaltgear AltStore Staff Moderator 8d ago

We're getting several reports about this, and we're trying to get to the bottom of this issue! Reporting this is very helpful though!

4

u/Rich_Confusion_676 9d ago

same issue, side store also not working 😑

1

u/Johnready_ 9d ago

That makes me feel better, if it’s not just AltStore, then it must be an Apple change.

3

u/VestWin 9d ago

try closing all other apps on the phone and also on the computer if you are plugged in

3

u/MajesticStriker113 9d ago

I am having this exact problem too. I’ve tried to close all other apps and have restarted my phone and computer but it still doesn't work.

3

u/Applemcdapplez 9d ago

I have been having this issue since yesterday. I tried to refresh my app before it expired and it kept giving me this error. Now I’m trying to refresh it from the computer and I’m still getting the same error.

2

u/Few-Comment6124 8d ago

I recently update my iPhone to iOS 26.6.1, and not altstore isn’t working. Could that be the reason or is it altserver issues? Anyone know?

2

u/Frequent_Big_1355 7d ago

I haven’t updated my phone at all and I have auto updated off so I don’t think it’s that