> For the complete documentation index, see [llms.txt](https://help.bizanalyst.in/biz-analyst-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.bizanalyst.in/biz-analyst-manual/support/desktop-app-troubleshooting/installation-issues/quick-heal-browser-sandbox-blocking-biz-analyst-app.md).

# Quick heal Browser Sandbox Blocking Biz Analyst App

![](/files/-LT7f_WylulD-KN-VUIK)

For resolution follow the below steps:

**Step 1:** Go into Internet and Network option.

![](/files/-LT7fzJZ1tM5D-_kDTYl)

**Step 2:** **Turn off** the **Browser Sand Box** Option

![](/files/-LT7g8Y9StCJCsPoBFHa)

**Step 3:** Now install the **setup file**