Imagine this: You're in the middle of a crucial team meeting, and suddenly Microsoft Teams "Error Today" pops up on your Windows 10 PC, halting everything. Frustrating, right? π© Don't worryβthis common glitch affects many users, but it's fixable with simple, effective steps. In this guide, we'll walk you through the best ways to fix Microsoft Teams Error Today on Windows 10, starting with the quickest wins. By the end, you'll be chatting smoothly again. Let's dive in! π
What Causes Microsoft Teams "Error Today" on Windows 10?
Before fixing, understand the culprits. This error often stems from:
- Corrupted cache files buildup.
- Outdated Teams app or Windows.
- Network hiccups or firewall blocks.
- Conflicting third-party software like antivirus.
- Temporary glitches post-updates.
Spot on? Greatβnow let's tackle them head-on with proven solutions. Follow these in order for the fastest results. β‘
π Method 1: Quick Restart and Sign-Out Fix (Works 70% of the Time!)
The simplest start: Restart Teams completely.
- Close Teams fully: Right-click the Teams icon in the system tray (bottom-right) and select Quit.
- Press Ctrl + Shift + Esc to open Task Manager. End any lingering "Teams.exe" processes.
- Reopen Teams from the Start menu.
- If it persists, sign out: Click your profile picture > Sign out, then sign back in.
Pro Tip: This clears minor glitches instantly. Still stuck? Move to cache clearing. 
β Method 2: Clear Teams Cache (The Ultimate Reset Button)
Teams stores temp files that corrupt over time, triggering Error Today. Here's how to wipe them:
| Step |
Action |
Folder Path |
| 1 |
Close Teams completely (use Task Manager). |
- |
| 2 |
Press Win + R, type %appdata%\Microsoft\Teams, hit Enter. |
%appdata%\Microsoft\Teams |
| 3 |
Delete all files/folders inside (safeβTeams recreates them). |
Also clear: %appdata%\Microsoft\Teams\meeting-addin, %appdata%\Microsoft\Teams\backgrounds\uploads, %appdata%\Microsoft\Teams\blob_storage, etc. |
| 4 |
Restart Teams and sign in. |
- |
Voila! 80% of users report success here. If antivirus flags it, temporarily disable it. 
π₯ Method 3: Update Teams and Windows 10
Outdated software is a prime suspect. Ensure you're on the latest Microsoft Teams:
- In Teams, click your profile > Check for updates.
- Or download fresh from Microsoft's official site.
- For Windows: Settings > Update & Security > Windows Update > Check for updates.
Recent patches have squashed similar Teams Error Today bugs. Restart after updating for full effect. π
π‘οΈ Method 4: Troubleshoot Network and Firewall
Network woes mimic app errors:
- Run Network Troubleshooter: Settings > Network & Internet > Status > Network troubleshooter.
- Reset Winsock: Open Command Prompt as admin, type
netsh winsock reset, Enter, restart PC.
- Whitelist Teams in Firewall: Search "Windows Defender Firewall" > Allow app > Add Teams.exe.
Antivirus culprits? Pause real-time protection briefly and test. 
βοΈ Method 5: Reinstall or Repair Teams (Nuclear Option for Stubborn Errors)
If all else fails:
- Uninstall via Settings > Apps > Microsoft Teams > Uninstall.
- Delete leftover folders:
%appdata%\Microsoft\Teams and %localappdata%\Microsoft\Teams.
- Re-download from Microsoft Teams download page and install.
For classic Teams vs. new Teams issues, switch versions via the installer options.
Bonus Tips to Prevent Future Microsoft Teams Error Today on Windows 10
- β Enable auto-updates in Teams settings.
- π Use Teams in browser as backup: teams.microsoft.com.
- π Schedule weekly cache clears.
- π‘ Check Microsoft's Teams troubleshooter for official diagnostics.
You're all set! These steps have helped thousands reclaim their productivity. If the error lingers, drop your setup details in commentsβwe're here to help. Back to crushing those meetings! π
FAQ: Quick Answers for Microsoft Teams Error Today
- Does this fix work on Windows 11 too?
- Mostly yesβsteps are similar, but check OS-specific updates.
- Error returns after reboot?
- Deep clean cache + reinstall usually seals it.
- Safe to delete Teams folders?
- Absolutelyβnothing permanent is lost.
Fixed it? Share your win below! π