# \#authentication **URL:** https://forums.sketchup.com/tag/authentication/191.md [Latest](https://forums.sketchup.com/latest.md) · [Categories](https://forums.sketchup.com/categories.md) · [Tags](https://forums.sketchup.com/tags.md) --- ## [Website errors in authentication flow when trying to purchase SketchUp Shop/Pro](https://forums.sketchup.com/t/website-errors-in-authentication-flow-when-trying-to-purchase-sketchup-shop-pro/138840)
**Author:** [@cgreen1888](https://forums.sketchup.com/u/cgreen1888)\ **Replies:** 3\ **Last updated:** [October 12, 2020, 8:37am UTC](https://forums.sketchup.com/t/website-errors-in-authentication-flow-when-trying-to-purchase-sketchup-shop-pro/138840 "2020-10-12T08:37:35Z")
Hi, I’ve been trying to purchase SketchUp Shop for a few days now and I’ve been stuck on an authentication error. The site fails to authenticate me as I try to work through a purchase flow. I get an infinite spinner an… --- ## [Basic License Questions](https://forums.sketchup.com/t/basic-license-questions/39375)
**Author:** [@jon1](https://forums.sketchup.com/u/jon1)\ **Replies:** 2\ **Last updated:** [February 17, 2017, 6:58pm UTC](https://forums.sketchup.com/t/basic-license-questions/39375 "2017-02-17T18:58:54Z")
Hi All, I am thinking about getting Pro but I have some license questions: If you buy 2017 and let it expire, do you still have access to all the pro features without upgrading? Can you still run a fresh installat… --- ## [Extension Warehouse Authentication Error](https://forums.sketchup.com/t/extension-warehouse-authentication-error/34466)
**Author:** [@EdMcClernan](https://forums.sketchup.com/u/EdMcClernan)\ **Replies:** 2\ **Last updated:** [November 22, 2016, 7:03pm UTC](https://forums.sketchup.com/t/extension-warehouse-authentication-error/34466 "2016-11-22T19:03:06Z")
I am having trouble getting to the warehouses in both Sketchup 2016 and 2017.I can not figure out how to attach the error. It says "Something went wrong during authentication. Please contact system administrator Ref I… --- ## [Problem Downloading Extension Warehouse Items](https://forums.sketchup.com/t/problem-downloading-extension-warehouse-items/30861)
**Author:** [@rabbithutch](https://forums.sketchup.com/u/rabbithutch)\ **Replies:** 9\ **Last updated:** [September 20, 2016, 6:25pm UTC](https://forums.sketchup.com/t/problem-downloading-extension-warehouse-items/30861 "2016-09-20T18:25:50Z")
In SketchUp (Make 2016) I click on Window\>Extension Warehouse and receive the front-end interface panel; however, when I click on SignIn, I get the error screen below. Can anyone tell me, please, what I’m doing wrong an… --- ## [Extension warehouse](https://forums.sketchup.com/t/extension-warehouse/28044)
**Author:** [@raymon](https://forums.sketchup.com/u/raymon)\ **Replies:** 2\ **Last updated:** [July 19, 2016, 5:00pm UTC](https://forums.sketchup.com/t/extension-warehouse/28044 "2016-07-19T17:00:23Z")
I cant get into the extension warehouse , the following message comes up. can you help please “Something went wrong during the authentication process. Please try signing in again”. Even when i go to the sign in button … --- ## [Unable to Sign-in to Extension Warehouse](https://forums.sketchup.com/t/unable-to-sign-in-to-extension-warehouse/26890)
**Author:** [@jshopsin](https://forums.sketchup.com/u/jshopsin)\ **Replies:** 3\ **Last updated:** [June 22, 2016, 4:58pm UTC](https://forums.sketchup.com/t/unable-to-sign-in-to-extension-warehouse/26890 "2016-06-22T16:58:25Z")
I can’t log into the extension warehouse. This pops up everytime I try to sign in: The same error comes up when I try to log into Trimble Connect from the main window pull down. Please help! --- ## [Unable to upload models](https://forums.sketchup.com/t/unable-to-upload-models/25306)
**Author:** [@gresham.sketchup](https://forums.sketchup.com/u/gresham.sketchup)\ **Replies:** 3\ **Last updated:** [May 17, 2016, 7:02pm UTC](https://forums.sketchup.com/t/unable-to-upload-models/25306 "2016-05-17T19:02:25Z")
I am having problems logging in and uploading models. I have attached a screen shot of the error code . --- ## [Cant download Grid tool](https://forums.sketchup.com/t/cant-download-grid-tool/24189)
**Author:** [@quest84](https://forums.sketchup.com/u/quest84)\ **Replies:** 4\ **Last updated:** [April 26, 2016, 10:43pm UTC](https://forums.sketchup.com/t/cant-download-grid-tool/24189 "2016-04-26T22:43:09Z")
grid tool starts to download but message keeps coming up that “something went wrong on the way in” any comments or similar experiences?