Hi @Umer Chaudhary ,
Welcome to Microsoft Q&A!
Which version of Visual Studio is currently installed on your computer?
The error “A Setup Package is either missing or damaged” often means your installation package is corrupted or damaged.
Please try to use the FCIV.exe to verify the hash of your ISO file and check if the package is corrupted.
In addition, we suggest you download the VS2015 Enterprise from the download page. During the installation, please temporarily disable any anti-virus software.
Sincerely,
Anna
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