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Microsoft says some users can’t open the Teams desktop client

📅 4 September 2026 at 14:30 UTC📰 Bleeping ComputerView original source ↗
Microsoft says some users can’t open the Teams desktop client

Microsoft is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Microsoft Teams desktop client experienced delays or blocks for some users, with the company investigating root causes and advising workarounds. The issue is a known problem (TM1466820) affecting Windows systems.

⚙️Technical Details
Affected Systems
Windows systems
Attack Vectors
Initial loading of Microsoft Teams desktop client
💥Impact Assessment
Severity: medium
Who Is at Risk
Microsoft Teams users on Windows systems
🛡️Recommended Actions
1Use the web or mobile platforms to access Microsoft Teams
2Avoid using the affected desktop client until the issue is resolved
3Monitor for updates and patches from Microsoft
📦Affected Products
Microsoft Teams desktop client on Windows systems

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