Troubleshooting 'Unable to access update server' Error with Malwarebytes 'malwarebytes-2-21-unable-to-access-update-server'

Malwarebytes is a popular security software designed to protect computers from various types of malware. However, like any other program, it can occasionally encounter issues that prevent its functionality.

One such problem users may face is the 'Unable to access update server' error when trying to update Malwarebytes 2.x version (specifically v2.1 and later). This article will guide you through troubleshooting steps to resolve this issue on Windows-based systems running Windows XP, Vista, Seven, Eight, Ten, Server editions.

Causes of Update Failure

There could be several reasons why Malwarebytes is unable to access the update server:

1. Internet connectivity issues: Ensure that your system has a stable internet connection.

2. Firewall or Anti-Virus Software blocking updates:

* Disable any third-party firewalls and/or anti-virus software temporarily before attempting an update.

3. Conflicting programs:

* Malwarebytes may conflict with other security applications like Norton Antivirus, McAfee Internet Security etc., try uninstalling these if present.

4. Corrupted system files or registry entries:

Troubleshooting Steps

1. Run the Malwarebyte's installer in Safe Mode

- Restart your computer and press F8 during bootup (or Shift+Esc on newer systems).

- Select 'Safe mode with networking' from the options list, then press Enter.

- Go to C:\ProgramData\Malwarebytes folder within File Explorer or My Computer.

- Delete all contents inside this directory including subfolders named 'Temp', 'UpdateHistory2'.

- Reboot your system back into normal mode and try updating Malwarebytes again.

2. Uninstall & Re-Install Malwarebyte's

If the above step doesn't resolve the issue, proceed with a full uninstallation of Malwarebyte's followed by re-installation:

1. Open Control Panel > Programs and Features (for Vista/Win7) or Add/Remove Programs (XP).

2. Find 'Malwarebytes' Anti-Malware' in the list.

3. Select it & click on 'Uninstall'.

4. Follow instructions to complete removal, including deleting all remaining files if prompted.

5. Update Malwarebyte's Again

After successful uninstallation and re-installation:

1. Launch Malwarebite's and navigate through its various tabs (Scans, Quarantine etc.) until you reach the 'Updates' tab.

2. Click on 'Check for updates' button to see if any newer versions are available.

If none of these troubleshooting steps resolve your problem or error persists after following each one carefully please post more detailed information such as:

- Operating System version being used (e.g., Windows 7 Professional SP1).

- Malwarebyte's current & latest installed version numbers.

This will help us better understand and provide a suitable solution to resolve this issue.

Malwarebytes 2.2.1 unable to access update server