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[INTERNAL] - Unable to Download Binary Files

Related to Copied

Binary file download failure from Downloads | Resources - ITRS Group

Summary Copied

If a user cannot download binary files from the ITRS Downloads page, the issue is usually caused by browser restrictions, VPN/firewall/antivirus blocking, or corporate web filtering. The user should try another browser, disable or check security tools, and confirm the Downloads site is not blocked by their organization. If the issue persists, they should raise a support ticket with relevant screenshots and error messages for further investigation.

Problem Copied

Users are unable to download binary files from: Downloads | Resources - ITRS Group

From the Client’s Perspective Copied

• The download does not start after clicking the link.

• The browser displays errors such as:

  • “Download failed.”
  • “Network error”
  • “Blocked by security policy.”
  • “File removed”

• Download immediately cancels.

• Browser security warning blocks the file.

• Timeout or connection reset during download.

Possible Cause(s) Copied

Root Cause 1: Browser-Related Issue Copied

• Corrupted cache
• Extension blocking download
• Strict browser security settings
• Unsupported browser version

Root Cause 2: VPN / Firewall / Antivirus Blocking the Download Copied

• The corporate firewall is blocking the domain used for file downloads.

Root Cause 3: Organization-Level Web Filtering or Domain Blocking Copied

• Downloads domain is not whitelisted.
• CDN or subdomain blocked by policy.

Possible Solution(s) Copied

Solution Root Cause 1: Browser Issue Copied

• Clear browser cache and cookies.
• Disable extensions temporarily.
• Use an alternative browser (Chrome, Edge, Firefox).
• Update your browser to the latest version.

Solution Root Cause 2: VPN / Firewall / Antivirus Blocking Copied

• Disable VPN temporarily and retry.
• Request the IT team to allow outbound traffic to the Downloads domain.
• Add an exception in the antivirus for the download URL.

Solution Root Cause 3: Organization-Level Blocking Copied

• Request IT to whitelist:

  • Downloads | Resources – ITRS Group domain

• Confirm the firewall policy allows large binary file downloads.

• Validate proxy configuration supports file transfer size.

Internal Actions (If Ticket is Raised) Copied

If the client raises a support ticket, the following actions can be performed:

• Attempt downloading binaries:

  • While connected to the ITRS Network
  • Outside ITRS Network

• Check with web-cs if:

  • There were recent changes to the downloads site
  • Binaries were modified

• If successful internally:

  • Provide binaries securely via SendSafely