# Cannot access LAB - Elasticsearch Engineer 2 **URL:** \ **Category:** Elastic Training\ **Created:** [September 14, 2020, 6:41am UTC](https://discuss.elastic.co/t/cannot-access-lab-elasticsearch-engineer-2/248472 "2020-09-14T06:41:35Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![vasek](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vasek/32/136636_2.png) [@vasek](https://discuss.elastic.co/u/vasek)\ **Post date:** [September 14, 2020, 6:41am UTC](https://discuss.elastic.co/t/cannot-access-lab-elasticsearch-engineer-2/248472/1 "2020-09-14T06:41:36Z")
Hello, I cannot access purchased **LAB** (Elasticsearch Engineer 2 (On-Demand)). I see only blank screen. **[https://app.strigo.io/training/ondemand/QyjQh3fzEKAYSEcmv](https://app.strigo.io/training/ondemand/QyjQh3fzEKAYSEcmv)** A source code of this page is: ``` Strigo ``` Can anyone help me please with that? Vasek ---
**Author:** ![abdon](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/abdon/32/9195_2.png) [@abdon](https://discuss.elastic.co/u/abdon)\ **Post date:** [September 14, 2020, 6:57am UTC](https://discuss.elastic.co/t/cannot-access-lab-elasticsearch-engineer-2/248472/2 "2020-09-14T06:57:31Z")
It sounds like you may be using an [unsupported browser](http://help.strigo.io/en/articles/1876349-what-s-required-to-run-strigo). Try using Chrome or Firefox. If switching browsers does not help, then script blockers or ad blockers are something to look at. They known to cause issues. If you get a blank screen in Chrome or Firefox, try disabling those blockers (for example by opening the page in a private or incognito window). Finally, if none of the above helps, then it may be that your network is blocking some functionalities. A proxy or VPN could be the cause of that. Try accessing the lab via another network. ---
**Author:** ![vasek](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vasek/32/136636_2.png) [@vasek](https://discuss.elastic.co/u/vasek)\ **Post date:** [September 14, 2020, 7:02am UTC](https://discuss.elastic.co/t/cannot-access-lab-elasticsearch-engineer-2/248472/3 "2020-09-14T07:02:28Z")
Hello @abdon, I can confirm that strigo portal doesn't work with Firefox 76.0 (64-bit) for Fedora but works for Google Chrome Version 85.0.4183.83 (Official Build) (64-bit). Thank you. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [October 14, 2020, 7:02am UTC](https://discuss.elastic.co/t/cannot-access-lab-elasticsearch-engineer-2/248472/4 "2020-10-14T07:02:28Z")
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