This wasn't a hacker. Hackers used weasel words like "we" or "the system." This was a singular entity. One being. One will.
Troubleshoot a you're seeing in the console? otstrani qb i az install
If your terminal does not recognize the az command, or if you need to fix a corrupted installation: This wasn't a hacker
If you could provide more context or clarify the terms "otstrani qb" and "az install," I'd be able to offer a more targeted and helpful response. The guide provided is quite general and based on the assumption that you're discussing software removal and installation. otstrani qb i az install