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Sign-in & Login Problems

Fix Microsoft for Startups Founder Hub Sign-In Stuck on Loading

Maira MehtabMaira Mehtab Sep 28, 2026 869 views

Question details

The user is experiencing an infinite loading spinner when attempting to sign in to the Microsoft for Startups Founder Hub.

Product
Microsoft for Startups Founder Hub
Device & OS
not provided
Scenario
Attempting to access the Microsoft for Startups Founder Hub platform via LinkedIn authentication.
Observed behavior
The LinkedIn sign-in process is either extremely slow or remains permanently stuck on a continuous loading spinner.
Before you start

Before proceeding, check your internet connection and verify on the LinkedIn status page that their authentication services are not currently experiencing an outage.

Solution 1Recommended

Switch Your Network Connection or Browser

Network restrictions or corrupted browser caches are common causes for infinite loading spinners during third-party authentication.

Authentication tokens passed between LinkedIn and Microsoft can sometimes be blocked by strict firewall rules, ad-blockers, or stale browser cache.

1
Use an Incognito Window

Open a new Incognito or Private Browsing window in your current web browser to temporarily disable extensions and bypass cached data.

2
Try an Alternative Browser

If the issue persists, switch to a completely different browser such as Microsoft Edge, Google Chrome, or Mozilla Firefox.

3
Change Your Network

Disconnect from your current Wi-Fi or VPN, connect to a different network (like a mobile hotspot), and attempt the LinkedIn sign-in again.

Ad-Blocker Interference: Ensure that you temporarily disable any ad-blocking or privacy extensions, as they may block the background scripts required for LinkedIn sign-in.
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Frequently Asked Questions

Why is my LinkedIn sign-in for Microsoft Founder Hub stuck on a loading spinner?

This is typically caused by corrupted browser cookies, ad-blocking extensions interfering with authentication scripts, or temporary network communication issues between Microsoft and LinkedIn servers.

Can I sign in to the Microsoft Founder Hub without using LinkedIn?

The Founder Hub generally requires the LinkedIn account associated with your approved startup application. If you completely lose access, you will need to contact Microsoft Support for alternative account verification.

How do I clear my browser cache to fix the loading issue?

Go to your web browser's settings, navigate to the Privacy and Security section, and select 'Clear browsing data'. Ensure that both 'Cookies' and 'Cached images and files' are checked before clearing.