altstoreio / altstoreio/AltStore
Error -1 when try to start app on Mac OS Big Sur
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- Dominant language
- Swift
- Stars
- 14.4k
- Forks
- 1.5k
- PR merge metrics
- No merged PRs in 30d
Description
Describe the bug
I just did everything according to the instructions from here: altstore.io/altserver/beta
Then I rebooted my Mac, went into apps, and tried to open the app. I got this error.
I tried nvram boot-args="amfi_get_out_of_my_way=0x1" and nvram boot-args="amfi_get_out_of_my_way=1" as well (not simultaneously, it was 2 different retries :D).
Screenshots

Desktop (please complete the following information if applicable):
- OS: Mac
- Version: Big Sur beta 5
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by following the linked AltServer beta instructions and reproducing the launch failure on macOS Big Sur beta 5. The issue provides no source file or test entry point; done would require identifying the cause of Error -1, making the app launch successfully, and verifying the fix on the reported environment.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- macos, swift
- Domain
- desktop, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100