> 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/java-script-error.md).

# JavaScript error

### This Error may occurs due to few reasons:

* Antivirus and Firewall may block the Application.
* Due to lot of temp files this error may occurs.
* Installation is not clean that means while installing the app might have done any changes or deleted temp files.

<div align="center"><img src="/files/-LSxXctH94rRnIq4WZnB" alt=""></div>

### To resolve this problem you can follow below steps :

**Step 1:** **Win+R** (run command) **> (%temp%)** delete all temp files.

**Step 2:** Run application as Administrator.

**Step 3:** Re-install the application and then try to run the app.

**Step 4:** Exclude Biz Analyst App from Antivirus and Firewall.

**Step 5:** Done.