How to fix sign in error CAA2000C in Windows?

Issue: Hello. Whenever I attempt to log in to my Work or School account, I keep receiving a CAA2000C error. Any clue why? I have no idea what changed because this started happening out of a sudden. I'm using Windows 10 Version 22H2.

Solved Answer

On Windows operating systems, users usually demand a smooth sign-in process when interacting with various accounts. This procedure is usually simple and is necessary to access a variety of services and applications. Nevertheless, individuals frequently run into difficulties when doing this, and the CAA2000C sign-in issue is one among them. The main cause of this problem is trying to log into certain accounts, including Microsoft Teams, School, or Work accounts.

There are a number of reasons why error CAA2000C happens. Problems with internet connectivity could be one of the causes. The sign-in procedure depends on a strong, consistent internet connection, and any disturbances may result in this error.

Furthermore, the program that was used to sign in may have a corrupted cache. Though intended to expedite operations, caches may occasionally hold onto erroneous or obsolete data, resulting in problems when attempting to log in.

A troublesome update in the Windows operating system or a particular program, such as Microsoft Teams, could be another possible reason. Although updates are designed to improve security and functionality, sometimes they cause new problems or make old ones worse.

You may want to make sure your internet connection is strong and steady in order to fix the CAA2000C issue. Another option is to empty the cache of the program, which may fix problems caused by out-of-date or faulty data.

How to fix sign in error CAA2000C in Windows?

It's also a good idea to update your Windows software and operating system because doing so can resolve known issues and enhance functionality. Reverting a recent update may be required in certain situations if it is determined to be the cause of the issue. Note that not all fixes might be applicable to you because it all depends on the app that's failing.

Furthermore, using a PC repair application such as FortectMac Washing Machine X9 might be a useful method to automatically fix any Windows operating system problems that may be causing the CAA2000C error.

Fix 1. Run Connection to Workplace Using DirectAccess troubleshooter

The DirectAccess troubleshooter is a built-in Windows tool designed to diagnose and resolve issues related to network connectivity, especially in workplace environments. This troubleshooter can automatically detect and fix problems that might be causing the CAA2000C error during the sign-in process.

  • Type troubleshoot in Windows search and press Enter.
  • Select Troubleshoot settings from the search results.
  • Scroll down and click on Additional troubleshooters/Other troubleshooters.
  • Locate and select Connection to Workplace Using DirectAccess.
  • Click on Run the troubleshooter/Run and follow the on-screen instructions.
  • Restart the PC when finished.

Troubleshooter

Fix 2. Reconnect your Work or School account

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This process involves removing the account and then adding it back to Windows.

  • Open Settings (Win + I).
  • Click on Accounts.
  • Select Access work or school.
  • Click on your account and then Disconnect.
  • Navigate to C:\users\USERNAME\AppData\Local\Packages (replace USERNAME with your actual username).
  • Delete the contents of the folder.
  • Restart your computer.
  • Return to Access work or school and connect your account again.

Reconnect to Work or School account

Fix 3. Reset Microsoft Store cache

This process clears out stored data that might have become corrupt or outdated, potentially causing the CAA2000C error.

  • In Windows search, type wsreset and press Enter.
  • Wait till a black window shows up – do not close it.
  • As soon as it closes, the store should be reset and will reopen.
  • Try signing in again.

Reset cache

Fix 4. Uninstall the most recent Windows update [if applicable]

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If the error started occurring after a recent Windows update, uninstalling that update can reverse any changes that might be causing the issue.

  • Type Control Panel in Windows search and press Enter.
  • Select Programs > Uninstall a program.
  • Click on View installed updates on the left side of the window.
  • Sort all the updates by date.
  • Right-click on the most recent update and select Uninstall.
  • Proceed with on-screen instructions.
  • Then, type Updates in Windows search and press Enter.
  • Click Pause the updates for 7 days or pick a different time frame.
  • Restart your PC.

Uninstall update

Fix 5. Install the most recent Windows update [if applicable]

Installing the latest Windows updates can fix known bugs and vulnerabilities, potentially resolving the CAA2000C error.

  • Type Updates in Windows search and press Enter.
  • Here, click Check for updates.
  • Wait till Windows downloads and installs all the files.
  • If optional updates are available, install them as well.
  • Reboot your system.

Install Windows updates

Fix 6. Repair or reset the affected app

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If the error is specific to an app like Microsoft Teams, repairing or resetting it can resolve issues related to corrupted files or settings.

  • Right-click on the Start menu and select Apps and Features.
  • Find the app experiencing the issue in the list and select it (for example, Teams).
  • Click on Advanced options.
  • First, try clicking on Repair and check if the issue is resolved.
  • If not, return to Advanced options and click on Reset.
  • Follow the prompts to complete the reset process.

Repair or reset the app

Fix 7. Clear TPM keys

Clearing the Trusted Platform Module (TPM) keys can resolve issues related to security and encryption, which might be causing the CAA2000C error.

  • Open the Windows Security app.
  • Navigate to Device Security.
  • In the Security processor section, click on Security processor details.
  • Click on Security processor troubleshooting, then click on Clear TPM.
  • Confirm the action and follow the prompts to clear the TPM.

Clear TPM

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Prevent websites, ISP, and other parties from tracking you

To stay completely anonymous and prevent the ISP and the government from spying on you, you should employ Private Internet Access VPN. It will allow you to connect to the internet while being completely anonymous by encrypting all information, prevent trackers, ads, as well as malicious content. Most importantly, you will stop the illegal surveillance activities that NSA and other governmental institutions are performing behind your back.

 

Recover your lost files quickly

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About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the news editor at UGetFix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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