Failed to import package with error: Couldn't decompress package

Hello guys,

I have purchased a package from the Unity asset store.
After I complete downloading, an error occurred as I imported it (showed as following).



The directory is fully in English and there is enough disk space on my computer. Anyone know what should I do to import that file and fix the problem? My current Unity version is 2019.1.4f1. I am downloading a lower version of Unity to try.





If anyone knows what to do, I need your help!

Sincerely appreciate,
Best,
Shawn

 

I have tried the 2018.4.5f1 version of Unity just now but still cannot import the file. Same problem as above occurred.
Need Help!

 

I had same error because Unity download assets on C:\Users\<username>\AppData\Roaming\Unity\Asset Store-5.x. My C: drive was full when downloading it. On next start unity believe that the related package was successully downloaed so package install on the project fails after.
Solution :

1. delete corrupted asset under C:\Users\<username>\AppData\Roaming\Unity\Asset Store-5.x
2. make enough space on your C: drive
3. go to asset store and reload the asset
4. install the asset in your project

 

Everything is very simple. You don't have enough hard disk space

 

It works, thanks.