Cydia Impactor Error Line 37 ((install)) Jun 2026
"http-win.cpp:37 Peer certificate cannot be authenticated with given CA certificates"
Because Saurik has not updated Cydia Impactor, we need to use workarounds. Here are the four best solutions, ranked from easiest to most technical.
Cydia Impactor is a versatile tool used by the iOS community to sideload IPA files onto devices without requiring a full jailbreak. However, users often encounter specific technical hurdles, such as , which can halt the installation process of essential apps like Unc0ver or Yalu. What is Cydia Impactor Error Line 37?
Because Cydia Impactor has not been updated for several years and currently requires an Apple Developer Account cydia impactor error line 37
Line 37 is an assertion check. The code is trying to count the number of "teams" (development teams) associated with your Apple ID. You have zero, or more than one, and Cydia Impactor doesn't know which account to use.
The error is often accompanied by an alert box containing "file: provision.cpp; line: 37" or a similar error referencing line 37, typically within a provision.cpp file. When this happens, the installation process immediately stops, and you're left with an uninstalled app and a frustrating roadblock.
The "line 37" error is almost always triggered by a failure during the application installation phase. It indicates that Cydia Impactor successfully authenticated your Apple ID and signed the application, but the iOS device rejected the final installation. The most common triggers include: "http-win
Your free or paid Apple Developer certificate has expired or conflicted with previous installations.
Cydia Impactor relies heavily on secure network protocols to communicate with Apple's servers to generate and verify provisioning profiles. When Error Line 37 triggers, it usually points to one of three culprits:
If you have tried all four methods and the error persists, check the following: The code is trying to count the number
Wait for a confirmation dialog stating that the certificates have been revoked. Attempt to drag and drop your IPA file into the tool again.
Because Cydia Impactor requires an active Apple Developer Account ($99/year) for many of its features to function seamlessly on modern iOS versions, many users have migrated to newer, actively maintained sideloading utilities. If Error Line 37 persists, these alternatives will get your IPA files installed seamlessly. AltStore / AltServer
