# Courses and Workshops **URL:** https://forums.developer.nvidia.com/c/learning-and-certification/courses-and-workshops/747.md [Latest](https://forums.developer.nvidia.com/latest.md) · [Categories](https://forums.developer.nvidia.com/categories.md) · [Tags](https://forums.developer.nvidia.com/tags.md) --- ## [No certificate for "Build a Deep Research Agent"](https://forums.developer.nvidia.com/t/no-certificate-for-build-a-deep-research-agent/384021)
**Author:** [@shouqs.alghamdi](https://forums.developer.nvidia.com/u/shouqs.alghamdi)\ **Replies:** 1\ **Last updated:** [September 22, 2026, 10:01pm UTC](https://forums.developer.nvidia.com/t/no-certificate-for-build-a-deep-research-agent/384021 "2026-09-22T22:01:10Z")
Hello, I completed the course “Build a Deep Research Agent”, but no certificate has appeared on my dashboard. I noticed another user was told this course doesn’t offer a certificate — could you confirm whether that’s the… --- ## [Urgent: “Adding New Knowledge to LLMs” JupyterLab Not Working](https://forums.developer.nvidia.com/t/urgent-adding-new-knowledge-to-llms-jupyterlab-not-working/383870)
**Author:** [@sarah.f.aljadid](https://forums.developer.nvidia.com/u/sarah.f.aljadid)\ **Replies:** 2\ **Last updated:** [September 21, 2026, 9:59am UTC](https://forums.developer.nvidia.com/t/urgent-adding-new-knowledge-to-llms-jupyterlab-not-working/383870 "2026-09-21T09:59:15Z")
Hello NVIDIA team, I urgently need help with the DLI course “Adding New Knowledge to LLMs.” The hosted JupyterLab environment has been unusable for several days. The issue includes: JupyterLab stuck loading No Kernel … --- ## [Exhausted the lab time](https://forums.developer.nvidia.com/t/exhausted-the-lab-time/383474)
**Author:** [@xdwunt](https://forums.developer.nvidia.com/u/xdwunt)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 2:33pm UTC](https://forums.developer.nvidia.com/t/exhausted-the-lab-time/383474 "2026-09-17T14:33:28Z")
I am currently enrolled in the Getting Started with Accelerated Computing in Modern CUDA C++ course. I have completed only about 25% of the course, but I am now receiving the following message when I try to access the l… --- ## [Exploring Adversarial Machine Learning Training - Poisoning - "Assessment timed out" or "ERROR 999"](https://forums.developer.nvidia.com/t/exploring-adversarial-machine-learning-training-poisoning-assessment-timed-out-or-error-999/381307)
**Author:** [@gilmarosantos](https://forums.developer.nvidia.com/u/gilmarosantos)\ **Replies:** 5\ **Last updated:** [September 13, 2026, 7:48pm UTC](https://forums.developer.nvidia.com/t/exploring-adversarial-machine-learning-training-poisoning-assessment-timed-out-or-error-999/381307 "2026-09-13T19:48:45Z")
I was able to finish the Poisoning Assessment of the Exploring Adversarial Machine Learning training; however, after clicking on the grade button, I’m receiving the errors “Assessment timed out” or “ERROR 999” (as screen… --- ## [HELP! Building Agentic AI Applications With LLMS Assessment, Nvidia model doesn't exist!](https://forums.developer.nvidia.com/t/help-building-agentic-ai-applications-with-llms-assessment-nvidia-model-doesnt-exist/382467)
**Author:** [@johnobrien8642](https://forums.developer.nvidia.com/u/johnobrien8642)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 8:50pm UTC](https://forums.developer.nvidia.com/t/help-building-agentic-ai-applications-with-llms-assessment-nvidia-model-doesnt-exist/382467 "2026-09-08T20:50:26Z")
Exception: \[400\] Unknown Error {'error': {'message': "The model 'nvidia/nemotron-3-nano-30b-a3b' does not exist", 'type': 'invalid\_request\_error', 'param': 'model', 'code': 'model\_not\_found'}} --- ## [About registration for AI Day Singapore 2026](https://forums.developer.nvidia.com/t/about-registration-for-ai-day-singapore-2026/381874)
**Author:** [@sibir.chakraborty](https://forums.developer.nvidia.com/u/sibir.chakraborty)\ **Replies:** 2\ **Last updated:** [August 31, 2026, 11:54am UTC](https://forums.developer.nvidia.com/t/about-registration-for-ai-day-singapore-2026/381874 "2026-08-31T11:54:28Z")
I am reaching out regarding my planned visit to Singapore in September and NVIDIA’s AI Days around 21–23 September 2026. I would like to know my confirmation of the appropriate registration process/status for NVIDIA AI D… --- ## [Request for DLI Lab Time Extension - Fundamentals of GPU Accelerated Workflows using CUDA Python](https://forums.developer.nvidia.com/t/request-for-dli-lab-time-extension-fundamentals-of-gpu-accelerated-workflows-using-cuda-python/381848)
**Author:** [@mafridi.bee20seecs](https://forums.developer.nvidia.com/u/mafridi.bee20seecs)\ **Replies:** 1\ **Last updated:** [August 30, 2026, 4:30pm UTC](https://forums.developer.nvidia.com/t/request-for-dli-lab-time-extension-fundamentals-of-gpu-accelerated-workflows-using-cuda-python/381848 "2026-08-30T16:30:13Z")
Hi NVIDIA DLI Team, I was taking the Fundamentals of GPU Accelerated Workflows using CUDA Python course. I have completed all the multiple-choice questions (50% grade), but I ran into the “Usage Limit” error before I co… --- ## [Unable to login to DLI](https://forums.developer.nvidia.com/t/unable-to-login-to-dli/379902)
**Author:** [@lucia.yan](https://forums.developer.nvidia.com/u/lucia.yan)\ **Replies:** 1\ **Last updated:** [August 12, 2026, 7:37am UTC](https://forums.developer.nvidia.com/t/unable-to-login-to-dli/379902 "2026-08-12T07:37:37Z")
Good morning, Since yesterday I’ve been unable to login to the DLI platform. Before I’m able to enter my username and password, the login page gets stuck (green loading circle), same happens with the register link. More… --- ## [Exploring Adversarial Machine Learning - Unable to start lab We encountered an error. Please try again](https://forums.developer.nvidia.com/t/exploring-adversarial-machine-learning-unable-to-start-lab-we-encountered-an-error-please-try-again/378410)
**Author:** [@n00b26](https://forums.developer.nvidia.com/u/n00b26)\ **Replies:** 0\ **Last updated:** [July 28, 2026, 2:17pm UTC](https://forums.developer.nvidia.com/t/exploring-adversarial-machine-learning-unable-to-start-lab-we-encountered-an-error-please-try-again/378410 "2026-07-28T14:17:18Z")
I’m encountering an error with starting the lab: “We encountered an error. Please try again.” and also submitted support ticket: 01228746 have not received an reply. How long typically will support tickets will get a rep… --- ## [Same "We encountered an error. Please try again" problem](https://forums.developer.nvidia.com/t/same-we-encountered-an-error-please-try-again-problem/378314)
**Author:** [@amr\_alhossary](https://forums.developer.nvidia.com/u/amr_alhossary)\ **Replies:** 2\ **Last updated:** [July 27, 2026, 6:42pm UTC](https://forums.developer.nvidia.com/t/same-we-encountered-an-error-please-try-again-problem/378314 "2026-07-27T18:42:01Z")
after completing 50% of the DLI: Getting Started with Accelerated Computing in Modern CUDA C++ course, I can’t reach the GPU instance anymore. It seems that I exceeded an undeclared GPU instance up time limit. I submitt… --- ## [Wrong Course Registration](https://forums.developer.nvidia.com/t/wrong-course-registration/377542)
**Author:** [@pranav.doma](https://forums.developer.nvidia.com/u/pranav.doma)\ **Replies:** 0\ **Last updated:** [July 20, 2026, 3:40pm UTC](https://forums.developer.nvidia.com/t/wrong-course-registration/377542 "2026-07-20T15:40:42Z")
Hi team, I am a part of research engineering team, and I have a redemption code for a course. I wanted to use the code on NVIDIA cosmos course, Introduction to NVIDIA cosmos for physical AI and for some reason link go r… --- ## [Anyone recently take the NCP-OUSD exam? Looking for preparation advice](https://forums.developer.nvidia.com/t/anyone-recently-take-the-ncp-ousd-exam-looking-for-preparation-advice/372105)
**Author:** [@scottisholiver1](https://forums.developer.nvidia.com/u/scottisholiver1)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 4:13pm UTC](https://forums.developer.nvidia.com/t/anyone-recently-take-the-ncp-ousd-exam-looking-for-preparation-advice/372105 "2026-07-17T16:13:54Z")
Hi everyone, I am planning to take the NVIDIA OpenUSD Development (NCP-OUSD) exam and wanted to hear from anyone who has taken it recently. A few questions I have: How technical is the exam compared to the official l… --- ## [“We encountered an error. Please try again” Problem](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again-problem/375942)
**Author:** [@aissa.razani](https://forums.developer.nvidia.com/u/aissa.razani)\ **Replies:** 1\ **Last updated:** [July 13, 2026, 3:24pm UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again-problem/375942 "2026-07-13T15:24:15Z")
Hello NVIDIA Support, I have completed the Getting Started with Accelerated Computing in Modern CUDA C++ course. I wanted to see my old code and check the course to get back into it. However, I ran into an “We encounte… --- ## [I encountered an error. Please try again](https://forums.developer.nvidia.com/t/i-encountered-an-error-please-try-again/376245)
**Author:** [@maram430.m](https://forums.developer.nvidia.com/u/maram430.m)\ **Replies:** 1\ **Last updated:** [July 9, 2026, 5:37pm UTC](https://forums.developer.nvidia.com/t/i-encountered-an-error-please-try-again/376245 "2026-07-09T17:37:12Z")
Hello DLI Nvidia Team, I am writing to inform you about an issue I have been experiencing for the past 7 days on the NVIDIA DLI platform. I am encountering the error message “We encountered an error. Please try again.” … --- ## [Subject: DLI Certificate Not Generating - 100% Complete Course](https://forums.developer.nvidia.com/t/subject-dli-certificate-not-generating-100-complete-course/376041)
**Author:** [@akshatsrivastava11110](https://forums.developer.nvidia.com/u/akshatsrivastava11110)\ **Replies:** 1\ **Last updated:** [July 8, 2026, 8:41am UTC](https://forums.developer.nvidia.com/t/subject-dli-certificate-not-generating-100-complete-course/376041 "2026-07-08T08:41:31Z")
Course: A Beginner’s Guide to Autonomous Robots Status: 100% Complete ✅ Quiz Score: 100% (Perfect) ✅ Grade: 100% Passing ✅ Issue: Certificate section shows “Access Denied” error. Cannot download or access certificate des… --- ## [Course Completed 100% with Perfect Quiz Score But Grade Stuck at 0% / No Certificate Link](https://forums.developer.nvidia.com/t/course-completed-100-with-perfect-quiz-score-but-grade-stuck-at-0-no-certificate-link/375513)
**Author:** [@ulofe.uduokhai](https://forums.developer.nvidia.com/u/ulofe.uduokhai)\ **Replies:** 1\ **Last updated:** [July 4, 2026, 12:28am UTC](https://forums.developer.nvidia.com/t/course-completed-100-with-perfect-quiz-score-but-grade-stuck-at-0-no-certificate-link/375513 "2026-07-04T00:28:41Z")
Hello DLI Team, I have completely finished all elements of the course “Getting Started with NVIDIA Tools for Generative AI in Digital Health”. My dashboard registers 100% Completed under my student account profile, and … --- ## [I can't buy any courses at the momen its bugged](https://forums.developer.nvidia.com/t/i-cant-buy-any-courses-at-the-momen-its-bugged/375318)
**Author:** [@ariankamali](https://forums.developer.nvidia.com/u/ariankamali)\ **Replies:** 0\ **Last updated:** [July 2, 2026, 12:50pm UTC](https://forums.developer.nvidia.com/t/i-cant-buy-any-courses-at-the-momen-its-bugged/375318 "2026-07-02T12:50:59Z")
Apologises, but there’s right now an issue with the buy now for all courses for me. I hit buy now and then it takes me to the empty cart page. Some of these courses are retiring and I dont know when I’ll have the n… --- ## [Has Anyone Taken the NCP-AII Exam? Which Topic Did You Find the Most Challenging?](https://forums.developer.nvidia.com/t/has-anyone-taken-the-ncp-aii-exam-which-topic-did-you-find-the-most-challenging/375284)
**Author:** [@danielfinch389](https://forums.developer.nvidia.com/u/danielfinch389)\ **Replies:** 0\ **Last updated:** [July 2, 2026, 6:21am UTC](https://forums.developer.nvidia.com/t/has-anyone-taken-the-ncp-aii-exam-which-topic-did-you-find-the-most-challenging/375284 "2026-07-02T06:21:22Z")
I am currently preparing for the NCP-AII exam and would appreciate hearing from anyone who has already taken it. Which exam topic did you find the most challenging, and why? Were there any areas that required more prepa… --- ## [Course links for DLI are unavailable](https://forums.developer.nvidia.com/t/course-links-for-dli-are-unavailable/374836)
**Author:** [@preethampai](https://forums.developer.nvidia.com/u/preethampai)\ **Replies:** 1\ **Last updated:** [June 29, 2026, 4:49am UTC](https://forums.developer.nvidia.com/t/course-links-for-dli-are-unavailable/374836 "2026-06-29T04:49:07Z")
Hello DLI team, Could you help me find the link to access the following courses described in GTC- San Jose 2026 . Assembling Industrial Digital Twin using Open USD ( DLIT81800) Real Time Simulation for Real Time Resul… --- ## [AI Infrastructure and Operations Fundamentals Not Showing in My Learning - Order #176054](https://forums.developer.nvidia.com/t/ai-infrastructure-and-operations-fundamentals-not-showing-in-my-learning-order-176054/373552)
**Author:** [@ezra.j.chairez](https://forums.developer.nvidia.com/u/ezra.j.chairez)\ **Replies:** 2\ **Last updated:** [June 17, 2026, 2:03am UTC](https://forums.developer.nvidia.com/t/ai-infrastructure-and-operations-fundamentals-not-showing-in-my-learning-order-176054/373552 "2026-06-17T02:03:45Z")
Hi all - I recently purchased the AI Infrastructure and Operations Fundamentals self-paced course, but it is not appearing in my NVIDIA Academy “My Learning” dashboard. Here are my order details: — Course: AI Infrastru… --- ## [Order #176356 - Purchsed Self Paced Course - Not showing in My Learning & Coupon Code - shows Invalid promo code](https://forums.developer.nvidia.com/t/order-176356-purchsed-self-paced-course-not-showing-in-my-learning-coupon-code-shows-invalid-promo-code/372547)
**Author:** [@irfan.atif](https://forums.developer.nvidia.com/u/irfan.atif)\ **Replies:** 7\ **Last updated:** [June 17, 2026, 2:01am UTC](https://forums.developer.nvidia.com/t/order-176356-purchsed-self-paced-course-not-showing-in-my-learning-coupon-code-shows-invalid-promo-code/372547 "2026-06-17T02:01:37Z")
Hi, I am Muhammad Atif Irfan. I purchased yesterday, 06 June 2026, the self-paced course " AI Infrastructure and Operations Fundamentals Course & Exam and it does not show in My Learning active courses. However, as per … --- ## [Purchased Course not showing up uin My Learning - Order #176993](https://forums.developer.nvidia.com/t/purchased-course-not-showing-up-uin-my-learning-order-176993/373161)
**Author:** [@shamal2201](https://forums.developer.nvidia.com/u/shamal2201)\ **Replies:** 1\ **Last updated:** [June 14, 2026, 11:15am UTC](https://forums.developer.nvidia.com/t/purchased-course-not-showing-up-uin-my-learning-order-176993/373161 "2026-06-14T11:15:51Z")
Hi, I have purchaed the AI Infrastructure and Operations Fundamentals\*\* Course\*\* with the Exam Voucer for $150 2 days ago. But it doesn’t show up in “My Learning” area. I have already raised a case for this but haven’t… --- ## [DSX Air free trial - Individual organization, no Start Trial button](https://forums.developer.nvidia.com/t/dsx-air-free-trial-individual-organization-no-start-trial-button/373024)
**Author:** [@popajet0234](https://forums.developer.nvidia.com/u/popajet0234)\ **Replies:** 0\ **Last updated:** [June 11, 2026, 4:41pm UTC](https://forums.developer.nvidia.com/t/dsx-air-free-trial-individual-organization-no-start-trial-button/373024 "2026-06-11T16:41:12Z")
Hello NVIDIA Team, I received eligibility for the DSX Air free trial, but I am unable to proceed. Issue: After logging into dsx-air.nvidia.com, I do NOT see the “Start Trial” button. My Account Info: NGC Organizatio… --- ## [Unable to Register for DLI Course Using Event Code](https://forums.developer.nvidia.com/t/unable-to-register-for-dli-course-using-event-code/372551)
**Author:** [@jamesjk4242](https://forums.developer.nvidia.com/u/jamesjk4242)\ **Replies:** 1\ **Last updated:** [June 8, 2026, 12:54am UTC](https://forums.developer.nvidia.com/t/unable-to-register-for-dli-course-using-event-code/372551 "2026-06-08T00:54:09Z")
Course Name : Course Detail | NVIDIA Code : HANCOM\_CVIS\_MY26 Dear Support Team, I am unable to register for the DLI course using the provided event code. As the training begins today, I am concerned because I have no… --- ## [Self Paced Course Not Available](https://forums.developer.nvidia.com/t/self-paced-course-not-available/372053)
**Author:** [@b\_harvey](https://forums.developer.nvidia.com/u/b_harvey)\ **Replies:** 5\ **Last updated:** [June 4, 2026, 4:20pm UTC](https://forums.developer.nvidia.com/t/self-paced-course-not-available/372053 "2026-06-04T16:20:27Z")
Hi All, Purchased the AI Infrastructure and Operations Fundamentals self paced $50 course. But this is not appearing in ‘my learning’. The order went through successfully (as I have an order number). Anyone experienced… --- ## [Repeated "We encountered an error. Please try again." error in self paced course](https://forums.developer.nvidia.com/t/repeated-we-encountered-an-error-please-try-again-error-in-self-paced-course/372301)
**Author:** [@hemantyadav.it](https://forums.developer.nvidia.com/u/hemantyadav.it)\ **Replies:** 0\ **Last updated:** [June 4, 2026, 2:06pm UTC](https://forums.developer.nvidia.com/t/repeated-we-encountered-an-error-please-try-again-error-in-self-paced-course/372301 "2026-06-04T14:06:55Z")
I keep getting this message when ever I try to run the workspace after I have finished all the sections. (We encountered an error. Please try again.) I have finished working on all sections. I am working on this course… --- ## [Hit usage limit for a self-pace course](https://forums.developer.nvidia.com/t/hit-usage-limit-for-a-self-pace-course/371192)
**Author:** [@xyzhangarccos0](https://forums.developer.nvidia.com/u/xyzhangarccos0)\ **Replies:** 2\ **Last updated:** [May 31, 2026, 7:41pm UTC](https://forums.developer.nvidia.com/t/hit-usage-limit-for-a-self-pace-course/371192 "2026-05-31T19:41:44Z")
I hit the usage limit for the on-hands session of the course Fundamentals of Accelerated Computing with CUDA Python. Need more hours to finish the course. Thanks in advance! --- ## [Is Nvidia Platinum Membership still available?](https://forums.developer.nvidia.com/t/is-nvidia-platinum-membership-still-available/371654)
**Author:** [@nafey1](https://forums.developer.nvidia.com/u/nafey1)\ **Replies:** 2\ **Last updated:** [May 29, 2026, 5:26pm UTC](https://forums.developer.nvidia.com/t/is-nvidia-platinum-membership-still-available/371654 "2026-05-29T17:26:14Z")
I am looking for a link to purchase the Nvidia Platinum membership, but i can not seem to find a direct link to do that. Any help is appreciated. --- ## [Certificate isn't generating](https://forums.developer.nvidia.com/t/certificate-isnt-generating/371724)
**Author:** [@25ec3055](https://forums.developer.nvidia.com/u/25ec3055)\ **Replies:** 0\ **Last updated:** [May 29, 2026, 1:04pm UTC](https://forums.developer.nvidia.com/t/certificate-isnt-generating/371724 "2026-05-29T13:04:02Z")
Hello NVIDIA Support Team, I recently completed the course “GPU Acceleration with the C++ Standard Library” including all Jupyter notebooks and lab excercies. However, I encountered an issue where there was no submit bu… --- ## [Requested invoice details for DLI Workshop - no response since 15th May](https://forums.developer.nvidia.com/t/requested-invoice-details-for-dli-workshop-no-response-since-15th-may/371286)
**Author:** [@nuno.machado](https://forums.developer.nvidia.com/u/nuno.machado)\ **Replies:** 4\ **Last updated:** [May 27, 2026, 8:49am UTC](https://forums.developer.nvidia.com/t/requested-invoice-details-for-dli-workshop-no-response-since-15th-may/371286 "2026-05-27T08:49:15Z")
I need some urgent support on the invoicing of two Workshops: Fundamentals of GPU-Accelerated Workflows with CUDA Python (EMEA - 27/05/2026) Enhancing Data Science Outcomes With Efficient Workflow (NALA- 06/01/2026) I… [Next page](https://forums.developer.nvidia.com/c/learning-and-certification/courses-and-workshops/747.md?page=1)