When running the MSI installation package in the computer, the error code is 2503 or 2502 errors, in fact, because there is no permission to run, but can not right-click to run as an administrator, then how to do? For such a problem, we can refer to the following methods to resolve.
1. Press Win+x to select "Command Prompt (Administrator)", or right-click the command prompt to select Run as Administrator;
2, remember the installation package save path, try not to put the desktop, because the path will be very long, so the proposal can be directly saved to the root directory, such as "D:\", then the path is D:\python-2.7.11.msi;
3, return to the command prompt, add msiexec/package before the path, that is, enter Msiexec/package "D:\python-2.7.11.msi", press ENTER to perform the installation.
If the MSI installation package in the running PC appears with the error code is 2503/2502, then you can do so as described above.
The computer runs the MSI installation package to prompt the error code is 2503/2502 how to resolve