Hi Azmat,
As I understand you are not able to download Google chrome. To help you suggest steps to resolve the issue I would appreciate if you could answer the following questions:
1.
Which browser are you using to download the file?
2.
Are you able to download any other files from the Internet?
3.
Do you have any security program installed in the computer?
4.
Are you aware of any changes made to the computer prior to the issue?
Please provide us with more information or if the issue is specific to Google chrome, you may post the query at
Chrome support for any known issues.