SupportAssist Installation Issue: Error While Validating Installer File

hello, we are here to help you with this problem. Please follow and send a direct message @DellCares for assistance. I look forward to your message!

 We are here to help you with this problem. Please follow and send a direct message @DellCares for assistance. I look forward to your message!

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@DELL-Cares wrote:

 To provide the best of our support, start a private/direct message with us and we will be happy to help you.

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Firstly, I'm not seeing this issue on my own Inspiron 5584 laptop because I haven't tried to re-install SupportAssist recently.  I still have v3.10.4.18 (which successfully auto-updated from v3.10.3.3 to v3.10.4.18 on 20-Nov-2022) and the auto-update check does not attempt to push out a v3.11.x update to my Inspiron laptop.

Secondly, it's useless sending DELL-Cares a private message if your service warranty has expired (which is the case for most of the users getting these undocumented SupportAssist v3.11.x installers pushed out to their system) because DELL-Cares isn't interested in providing assistance unless you pay to extend your service warranty or pay for a one-time support ticket, even when the problem appears to be caused on their end by a glitch in the newer installers.
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64-bit Win 10 Pro v21H2 build 19044.1706 * Firefox v101.0.0 * Microsoft Defender v4.18.2203.5-1.1.19200.5 * Malwarebytes Premium v4.5.9.198-1.0.1689 * Macrium Reflect Free v8.0.6758 * Dell SupportAssist v3.10.4.18 * Inspiron 5583/5584 BIOS v1.18.0
Dell Inspiron 15 5584, Intel i5-8265U CPU, 8 GB RAM, 256 GB Toshiba KBG40ZNS256G NVMe SSD, Intel UHD Graphics 620

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@amangupta051 wrote:

Guys, the issue is resolved after logging to system with Built-in Administrator user.

If it's a domain computer, please try logging with Local Admin user and the application will be installed.

If it's workgroup (personal) computer, try switching the user and preferably with Local Admin user

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Hi amangupta051:

It would be helpful if you could post your suggestion in crimsom's 24-May-2022 thread 17 R5, Dell SupportAssist x64 v3.11.2.143 Installation Failed.  I can't test since I'm not having this SupportAssist v3.11.x installer problem, and crimsom's thread seems to be the thread where many users with this problem are posting their feedback.
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64-bit Win 10 Pro v21H2 build 19044.1706 * Firefox v101.0.0 * Microsoft Defender v4.18.2203.5-1.1.19200.5 * Malwarebytes Premium v4.5.9.198-1.0.1689 * Macrium Reflect Free v8.0.6758 * Dell SupportAssist v3.10.4.18 * Inspiron 5583/5584 BIOS v1.18.0
Dell Inspiron 15 5584, Intel i5-8265U CPU, 8 GB RAM, 256 GB Toshiba KBG40ZNS256G NVMe SSD, Intel UHD Graphics 620