Good afternoon, at the end of the installation, the wizard turns off and I see a Windows error message:

Event name of the problem: APPCRASH
Application Name: MinecraftLauncher.exe
Application version: 1.0.1.0
Application Timestamp: 593fe556
Module name with error: MinecraftLauncher.exe
Module version with error: 1.0.1.0
Timestamp of the module with an error: 593fe556
Exclusion code: 40000015
Offset of an exception: 00051479
OS Version: 6.1.7601.2.1.0.256.1
Language code: 1049
Additional information 1: c29b
Additional information 2: c29bb41d3022d7aa7f3c5604f48e28f0
Additional information 3: 69b4
Additional information 4: 69b4e629814ffadbaaddbdfcae7bcb24

Previously, on this computer installed version downloaded from the Internet.
Then we bought a version on your website.
But the official installer at the end disconnects with an error.
What can be done to solve this error?
Thank you.