I can't install macOS Mojave because this copy of the Install macOS Mojave.app application is damaged

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I've been trying to upgrade my Mac from High Sierra to Mojave, but I keep getting the error below.



enter image description here



I rang Apple support and they told me to wait a while and try downloading it again from the App Store. I've now done this 2 times and continue to get the same error.



I spoke with Apple again and they said to wait a while and try installing it again. It's now been two days and I've rebooted my Mac a number of times, and have attempted installation many times.



I also tried installing all other software updates in case that was a factor. They all updated fine without any problem. The only thing I can't do is get the Mojave installer to run because it is apparently "damaged".



Maybe this is the universe telling me not to upgrade and I should give up, but now I'm here to ask you good folk.



Can someone kindly suggest other options for me?










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  • Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
    – Monomeeth♦
    5 hours ago














up vote
3
down vote

favorite












I've been trying to upgrade my Mac from High Sierra to Mojave, but I keep getting the error below.



enter image description here



I rang Apple support and they told me to wait a while and try downloading it again from the App Store. I've now done this 2 times and continue to get the same error.



I spoke with Apple again and they said to wait a while and try installing it again. It's now been two days and I've rebooted my Mac a number of times, and have attempted installation many times.



I also tried installing all other software updates in case that was a factor. They all updated fine without any problem. The only thing I can't do is get the Mojave installer to run because it is apparently "damaged".



Maybe this is the universe telling me not to upgrade and I should give up, but now I'm here to ask you good folk.



Can someone kindly suggest other options for me?










share|improve this question







New contributor




user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.



















  • Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
    – Monomeeth♦
    5 hours ago












up vote
3
down vote

favorite









up vote
3
down vote

favorite











I've been trying to upgrade my Mac from High Sierra to Mojave, but I keep getting the error below.



enter image description here



I rang Apple support and they told me to wait a while and try downloading it again from the App Store. I've now done this 2 times and continue to get the same error.



I spoke with Apple again and they said to wait a while and try installing it again. It's now been two days and I've rebooted my Mac a number of times, and have attempted installation many times.



I also tried installing all other software updates in case that was a factor. They all updated fine without any problem. The only thing I can't do is get the Mojave installer to run because it is apparently "damaged".



Maybe this is the universe telling me not to upgrade and I should give up, but now I'm here to ask you good folk.



Can someone kindly suggest other options for me?










share|improve this question







New contributor




user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I've been trying to upgrade my Mac from High Sierra to Mojave, but I keep getting the error below.



enter image description here



I rang Apple support and they told me to wait a while and try downloading it again from the App Store. I've now done this 2 times and continue to get the same error.



I spoke with Apple again and they said to wait a while and try installing it again. It's now been two days and I've rebooted my Mac a number of times, and have attempted installation many times.



I also tried installing all other software updates in case that was a factor. They all updated fine without any problem. The only thing I can't do is get the Mojave installer to run because it is apparently "damaged".



Maybe this is the universe telling me not to upgrade and I should give up, but now I'm here to ask you good folk.



Can someone kindly suggest other options for me?







mojave






share|improve this question







New contributor




user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






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user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 5 hours ago









user304149

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user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






user304149 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











  • Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
    – Monomeeth♦
    5 hours ago
















  • Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
    – Monomeeth♦
    5 hours ago















Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
– Monomeeth♦
5 hours ago




Firstly, welcome to Ask Different! :) I've added an answer for you, but if you get the chance it'd be good if you could clarify the exact model of Mac you're using - especially if my answer doesn't solve your problem.
– Monomeeth♦
5 hours ago










1 Answer
1






active

oldest

votes

















up vote
2
down vote













The first thing I would try is resetting the System Management Controller (SMC) of your Mac.



Since you don't specify the model of Mac it's not easy for me to set out the steps you need to take, so I refer you instead to this Apple Knowledge Base article: How to reset the System Management Controller (SMC) on your Mac.



Make sure you read through the article and follow the steps for your Mac carefully.






share|improve this answer
















  • 1




    I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
    – Nimesh Neema
    4 hours ago






  • 1




    @NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
    – Monomeeth♦
    3 hours ago











  • I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
    – Monomeeth♦
    3 hours ago











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
2
down vote













The first thing I would try is resetting the System Management Controller (SMC) of your Mac.



Since you don't specify the model of Mac it's not easy for me to set out the steps you need to take, so I refer you instead to this Apple Knowledge Base article: How to reset the System Management Controller (SMC) on your Mac.



Make sure you read through the article and follow the steps for your Mac carefully.






share|improve this answer
















  • 1




    I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
    – Nimesh Neema
    4 hours ago






  • 1




    @NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
    – Monomeeth♦
    3 hours ago











  • I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
    – Monomeeth♦
    3 hours ago















up vote
2
down vote













The first thing I would try is resetting the System Management Controller (SMC) of your Mac.



Since you don't specify the model of Mac it's not easy for me to set out the steps you need to take, so I refer you instead to this Apple Knowledge Base article: How to reset the System Management Controller (SMC) on your Mac.



Make sure you read through the article and follow the steps for your Mac carefully.






share|improve this answer
















  • 1




    I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
    – Nimesh Neema
    4 hours ago






  • 1




    @NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
    – Monomeeth♦
    3 hours ago











  • I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
    – Monomeeth♦
    3 hours ago













up vote
2
down vote










up vote
2
down vote









The first thing I would try is resetting the System Management Controller (SMC) of your Mac.



Since you don't specify the model of Mac it's not easy for me to set out the steps you need to take, so I refer you instead to this Apple Knowledge Base article: How to reset the System Management Controller (SMC) on your Mac.



Make sure you read through the article and follow the steps for your Mac carefully.






share|improve this answer












The first thing I would try is resetting the System Management Controller (SMC) of your Mac.



Since you don't specify the model of Mac it's not easy for me to set out the steps you need to take, so I refer you instead to this Apple Knowledge Base article: How to reset the System Management Controller (SMC) on your Mac.



Make sure you read through the article and follow the steps for your Mac carefully.







share|improve this answer












share|improve this answer



share|improve this answer










answered 5 hours ago









Monomeeth♦

42.5k690131




42.5k690131







  • 1




    I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
    – Nimesh Neema
    4 hours ago






  • 1




    @NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
    – Monomeeth♦
    3 hours ago











  • I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
    – Monomeeth♦
    3 hours ago













  • 1




    I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
    – Nimesh Neema
    4 hours ago






  • 1




    @NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
    – Monomeeth♦
    3 hours ago











  • I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
    – Monomeeth♦
    3 hours ago








1




1




I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
– Nimesh Neema
4 hours ago




I am curious to know if this is resetting the SMC is just a general tip to fix things (akin to a reboot) or is there a specific "thing" that can be fixed by resetting SMC than can make the installer work?
– Nimesh Neema
4 hours ago




1




1




@NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
– Monomeeth♦
3 hours ago





@NimeshNeema Well, resetting the SMC (like resetting the NVRAM) are both good general tips for fixing things, but in this case I've suggested this as I came across the exact same error three times in the past week (one on an iMac Pro, the other two were 2018 MacBook Pros), and after a process of elimination I found that resetting the SMC did the trick on all of them!
– Monomeeth♦
3 hours ago













I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
– Monomeeth♦
3 hours ago





I admit on the face of it this solution doesn't make sense (as you probably know, the SMC is mainly about power, thermal, sensor and lighting management), so if anything resetting NVRAM would make more sense. However, my working theory is that all three Macs have T2 chips in them, so maybe resetting the SMC has something to do with that (far from proven obviously - 3 Macs is hardly a valid sample). But if I come across a few more examples I'll be letting Apple know (for what it's worth)! I hope the OP comes back and let's us know what Mac they have! :)
– Monomeeth♦
3 hours ago











user304149 is a new contributor. Be nice, and check out our Code of Conduct.









 

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