When you want to install an app not from an official vendor, the iOS App Store is super frustrating.
Because Apple doesn’t allow third-party installations on their devices, we’re stuck downloading everything through Apple’s store if it’s not already there.
The frustrating situation with iOS has been solved by a clever tool named Cydia Impactor. This amazing application enables you to install apps from anywhere on your device, even if they aren’t officially available in the App Store!
What Are Cydia Impactor Errors?

It is a great tool for installing themes, kernels, and other tweaks on your iPhone or iPad. However, if you’re getting these error messages errors such as provision cpp 81 or installation.cpp:51 error or installation.cpp 42 error, then you may be thinking to fix it. Then here are a few steps to help you fix the issue.
How To Fix Cydia Impactor Errors?
In this guide we’ll cover all the steps you can take to fix Cydia impactor errors.
Fix for Installation.cpp:42 error
It’s possible to get an error when you drag and drop an IPA file onto Cydia Impactor from its source location on your desktop. To fix that, you can use VPN and connect to the region it supports.
Step 1:Open the given link on your Safari browser: open https://jailbreaks.fun/ from your browser.
Step 2: Enter uncover -new in the search bar
Step 3: Select the App from the list and click on the “Get” option to install it.
Step 4: Now disable system reload to proceed further.
Step 5: Re-install Cydia and try to jailbreak again.
Conclusion:
You can follow the steps above to fix the installation.cpp:42 error in Cydia, and if you face any issues, let us know. We will be glad to help you.