A fully managed end-to-end service for digitally signing code, documents, and applications. (formerly Trusted Signing)
Bro, try signing in from a fresh browser or a private window and clear the cache, make sure you’re using the correct account and password, check any MFA prompts or your authenticator app, and confirm the account isn’t locked, disabled, or expired; also verify that Conditional Access policies, location or device restrictions, or risk detections aren’t blocking the sign‑in, check Azure service health for portal outages, ensure the user has the right role and subscription access, try another device or network, and if the problem persists collect the sign‑in logs and error codes and contact Microsoft Support with timestamps and screenshots.