Microsoft Teams is a critical tool for communication and collaboration, enabling Windows 11 users to engage in meetings, share files, and coordinate with colleagues seamlessly. However, Error Tag 4vlpo can disrupt this functionality, particularly during the sign-in process.
Users encounter a scenario where the application prompts for credentials, only to display a vague “Something went wrong” message accompanied by the 4vlpo error code, preventing access. For this individual on Windows 11, a system restart – an initial troubleshooting step – failed to correct the issue, indicating a more persistent underlying cause.
This disruption hinders productivity, as users are unable to join scheduled calls or access shared resources. The error often stems from authentication or connectivity problems, with several potential origins:
- Authentication failures. A glitch in Microsoft 365 identity validation might block access.
- Network instability. Weak connections can disrupt Teams’ server handshake.
- Corrupted app data. Stale cache or credentials could stop the login process.
- System conflicts. Windows services or updates might clash with Teams.
- Server-side issues. Microsoft’s servers could be temporarily down.
Since the root isn’t always obvious, cracking Error Tag 4vlpo might mean testing multiple fixes below. Tools like FortectMac Washing Machine X9 can also step in to tackle underlying Windows issues that might quietly fuel the problem, offering a lifeline to get Teams running smoothly again.
Fix 1. Verify network stability
Windows 11
- Type Troubleshoot in Windows search and hit Enter.
- Select Other troubleshooters.
- Locate Network & Internet troubleshooter from the list and click Run.
- Wait till the process is finished and apply the recommended fixes.
- Restart your computer.
Run Network troubleshooter in Windows 10
- Right-click on Start and pick Settings.
- Go to the Network & Internet section.
- On the right side, find the Advanced network settings section.
- Click Network troubleshooter and wait.
- The fixes will be automatically applied.
Fix 2. Clear Teams cache
Accumulated application data may interfere with login operations, potentially causing error 4vlpo—removing it offers a fresh start.
- Press Win E to open File Explorer.
- Ensure Hidden files are visible.
- In the address bar, type in %appdata%\Microsoft\teams and press Enter.
- Delete the contents of the following folders:
%appdata%\Microsoft\teams\application cache\cache
%appdata%\Microsoft\teams\blob_storage
%appdata%\Microsoft\teams\Cache
%appdata%\Microsoft\teams\databases
%appdata%\Microsoft\teams\GPUcache
%appdata%\Microsoft\teams\IndexedDB
%appdata%\Microsoft\teams\Local Storage %appdata%\Microsoft\teams\tmp - Make sure you empty the Recycle Bin (or use Shift Del combination to delete these files).
- Restart your computer.
Fix 3. Sign Out and re-authenticate
- Open Microsoft Teams.
- Click on your profile icon and select Sign out.
- Close the application.
- Reopen Microsoft Teams and sign in with your credentials.
Fix 4. Update Teams and Windows
Outdated software versions may introduce compatibility problems, ensuring updates are installed can mitigate this risk.
- Type Updates in Windows search and hit Enter.
- If updates are available, click Install updates.
- Otherwise, click Check for updates.
- If optional updates are available, install them as well.
- When all the update processes are complete, restart your computer.
Update Teams:
- Open Microsoft Teams.
- Click on the Settings and more button at the top-right corner.
- Select Check for updates.
- Teams will automatically download and install any available updates.
- Restart Teams after the update is completed.
Fix 5. Reinstall Teams
- Type Control Panel in Windows search and press Enter.
- Go to Programs > Uninstall a program.
- Find Microsoft Teams, right-click, and select Uninstall.
- Follow the prompts to remove the app.
- Once done, press Win E to open File Explorer.
- In the View tab at the top of the window, enable Hidden Files.
- Go to C:\Program Files\WindowsApps location.
- Scroll down to find the Microsoft Teams folder and delete it (alternatively, you can rename it).
- Now type %AppData% in Windows search and press Enter.
- Delete the Teams folder here.
- Finally, restart your system and reinstall the app.
Fix 6. Adjust Proxy Settings
Incorrect proxy configurations can disrupt Teams’ ability to connect to servers, potentially triggering Error 4vlpo.
- Type inetcpl.cpl in Windows search and press Enter.
- Go to the Connections tab and click on LAN settings.
- Make sure that Automatically detect setting is checked and Use a proxy server for your LAN is unchecked.
Fix 7. Check for file corruption
- Type cmd in Windows search, right-click on Command Prompt, and select Run as administrator.
- When UAC shows up, click Yes.
- Copy and paste the following command, pressing Enter after:
sfc /scannow - Wait till the scan is finished. If Windows finds system file integrity violations, it will attempt to fix them. After this, use the set of the following commands, pressing Enter each time:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth - Close down the Command Prompt and restart your system.
Fix 8. Reset Teams via PowerShell
- Type PowerShell in Windows search.
- Right-click on PowerShell and select Run as administrator.
- When UAC shows up, click Yes.
- Type the following command and press Enter:
Get-AppxPackage Teams | Remove-AppxPackage - Reinstall Teams by downloading it from microsoft.com/teams.
- Launch the app and sign in with your credentials.
The above is the detailed content of How to fix Microsoft Teams error tag 4vlpo in Windows?. For more information, please follow other related articles on the PHP Chinese website!

Roblox virtual machine detection errors and solutions Roblox users may experience an error "Virtual machine detected. Roblox cannot be used on virtual machines or virtual desktops". This error causes Roblox to crash. However, some user devices that encounter this error do not have virtual machines on them. If you also encounter this error, try the following: Method 1: Disable Hyper-V Hyper-V is Microsoft's virtualization product that allows you to create and run multiple virtual machines on a physical host. This utility can sometimes cause device problems, causing the application (such as Roblox) to run abnormally. Here is how to disable this feature: Step 1: Search on Windows

OneDrive error code 0x8004e4be: Troubleshooting and Solutions OneDrive, Microsoft's convenient file storage and synchronization service, can occasionally throw error code 0x8004e4be. This error typically disrupts login, sync operations, and overall c

File Carving vs. Metadata Recovery: Two Key Digital Forensics Techniques This post compares file carving and metadata recovery, two vital file recovery methods in digital forensics. We'll explore their differences and when to use each. File Carving:

Epson Scanner Error E1460-B305: Troubleshooting Guide The Epson scanner error code E1460-B305 typically indicates the scanner is busy or inaccessible. This guide provides solutions to resolve this common issue. Understanding the Error The E1460-B305

Windows Update error code 0x80240025 explained Windows Update error code 0x80240025 can take place when your system fails to install updates because of limited

Is your Elder Scrolls IV: Oblivion Remastered audio malfunctioning? Experiencing crackling, distortion, or complete silence? This can seriously impact gameplay. This guide offers solutions to fix this frustrating problem. Audio Problems in Elder Scr

Encountering a "Clair Obscur: Expedition 33" fatal error can be frustrating, preventing the game from launching. This guide offers four solutions to resolve this issue. Clair Obscur: Expedition 33 Fatal Error Solutions Many players experien

This guide reveals the location of your Into the Dead: Our Darkest Days save files on your Windows PC and explains how to back them up. Into the Dead: Our Darkest Days, a single-player survival horror game, autosaves your progress at the end of each


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Linux new version
SublimeText3 Linux latest version

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

SublimeText3 Chinese version
Chinese version, very easy to use

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
