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Merge pull request #954 from dynamsoft-docs/jackson-preview
update faqs
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_articles/faq/http-insecure-websites-in-chromium-browser.md

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layout: default-layout
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noTitleIndex: true
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needAutoGenerateSidebar: true
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title: How to Resolve Dynamic Web TWAIN Issues on Insecure Websites in Chrome v94–v141
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keywords: Dynamic Web TWAIN, Project Deployment and End-user Installation, Chrome 94 issue, HTTP website, Edge 94 issue
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breadcrumbText: How to Resolve Dynamic Web TWAIN Issues on Insecure Websites in Chrome v94–v141
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description: How to Resolve Dynamic Web TWAIN Issues on Insecure Websites in Chrome v94–v141
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title: Can I still use Dynamic Web TWAIN on non-HTTPS (insecure HTTP) sites with Chrome?
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keywords: Dynamic Web TWAIN, Project Deployment and End-user Installation, Chrome 94 issue, HTTP website, Edge 94 issue, insecure
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breadcrumbText: Can I still use Dynamic Web TWAIN on non-HTTPS (insecure HTTP) sites with Chrome?
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description: Can I still use Dynamic Web TWAIN on non-HTTPS (insecure HTTP) sites with Chrome?
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date: 2021-09-24 07:56:47 +0800
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last_modified: 2025-11-05 10:44:01 +0800
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last_modified: 2025-12-03 10:44:01 +0800
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---
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View all FAQs about [Project Deployment and End-user Installation](
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https://www.dynamsoft.com/web-twain/docs/faq/#project-deployment-and-end-user-installation)
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# Dynamic Web TWAIN does not function on insecure (non-HTTPS) public websites in Chrome versions 94 to 141 due to browser security restrictions.
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# Can I still use Dynamic Web TWAIN on non-HTTPS (insecure HTTP) sites with Chrome?
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### Symptom
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When visiting a public HTTP website that integrates the Dynamic Web TWAIN SDK using Chrome versions 94 through 141, you may be repeatedly prompted to download and install the Dynamic Web TWAIN Service (also known as the Dynamsoft Service). The same issue occurs in Microsoft Edge, as it is based on Chromium.
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When accessing a public HTTP website that uses the Dynamic Web TWAIN SDK with Chrome versions 94 and above, you may encounter repeated prompts asking you to download and install the Dynamic Web TWAIN Service, also known as the Dynamsoft Service. The same behavior may occur in Microsoft Edge because it is built on the Chromium engine.
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In the browser console, you may see the following **error message**
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[InsecurePrivateNetworkRequestsAllowedForUrls](https://chromeenterprise.google/policies/#InsecurePrivateNetworkRequestsAllowedForUrls)
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For more details about managing policies for your users, see refer to google's [help center article](https://support.google.com/chrome/a/answer/9037717).
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3. If you need to disable the block for an end user, there is a Chrome setting available.
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3. If you need to disable the block for an end user, there is a Chrome setting available.
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see the steps below
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Step 1: visit chrome://flags/#block-insecure-private-network-requests
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Step 2: set 'Block insecure private network requests' to Disabled
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![block-insecure-private-network-request](/assets/imgs/block-insecure-private-network-request.png)
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> Note:This configuration is available in Chrome 94. Settings may have changed in newer versions. Please contact [Dynamsoft](https://www.dynamsoft.com/contact/) for further assistance.

_articles/faq/index.md

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14. [Can I use two different websites integrated with two different versions of Dynamic Web TWAIN on the same computer?](/_articles/faq/service-backward-compatibility.md)
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15. [How do I upgrade my project to use the latest version of the Dynamic Web TWAIN SDK?](/_articles/faq/upgrade-to-latest-version.md)
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16. [How do I upgrade the end-user installation for all end users once I upgrade my project?](/_articles/faq/upgrade-end-user-installations.md)
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17. [How to Resolve Dynamic Web TWAIN Issues on Insecure Websites in Chrome v94–v141](/_articles/faq/http-insecure-websites-in-chromium-browser.md)
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17. [Can I still use Dynamic Web TWAIN on non-HTTPS (insecure HTTP) sites with Chrome?](/_articles/faq/http-insecure-websites-in-chromium-browser.md)
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18. [How to resolve Dynamic Web TWAIN issue in Chrome 101?](/_articles/faq/private-network-access-in-chrome101.md)
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19. [Dynamic Web TWAIN – Content-Security-Policy violated](/_articles/faq/content-security-policy-violated.md)
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20. [Scanner source is listed on XSane application but not on my web application on Linux machines](/_articles/faq/source-not-listed-on-linux.md)
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21. [How to run Dynamic Web TWAIN ActiveX in Microsoft Edge Internet Explorer (IE) mode](/_articles/faq/activeX-in-Edge-IE-mode.md)
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22. [The scanner's UI or the system's file dialog does not open when scanning](/_articles/faq/service-is-blocked.md)
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23. [How do I know which SDK version I am using?](/_articles/faq/find-SDK-version.md)
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24. [Where can I download the Dynamic Web TWAIN Service installers only?](/_articles/faq/download-service-only.md)
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25. [Error message - CORS Errors caused by local network access permissions when using Chromium 142 and later](/_articles/faq/chromium-142-local-network-access-issue.md)
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## Error Troubleshooting
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