Malwarebytes is kicking Windows printers offline

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Over the past few weeks, Malwarebytes consumer and business users have complained that their Windows network printers keep getting kicked offline.

This issue started around October 20th, when an update caused Windows network printers to be blocked by the security software. When blocked, the printer will be shown as offline, as seen below.

Malwarebytes knocking a printer offline
Malwarebytes knocking a printer offline

To resolve the issue, users found they can do one of the following:

  • Exit Malwarebytes before printing
  • Disable SNMP on the printer’s port
  • Disable Malwarebytes Web Protection

Unfortunately, two out of the three options reduce your computer’s security and are not adequate solutions.

Malwarebytes releases beta fix for Consumers

For the consumer version of Malwarebytes, a fix is being tested in beta version with component package 1.0.1112.

Users can install the Beta version by going into the Malwarebytes Settings > General and enabling the ‘Beta updates‘ setting, as shown below.

Enable Beta updates setting
Enable Beta updates setting

Once this setting is enabled, users need to check for new updates to install the latest version and its components package.

Malwarebytes Endpoint Protection business customers will have to wait longer as the beta fix is not available. Malwarebytes hopes to have it available for business users soon.

For now, if you are not managing your printers via SNMP or can live without it temporarily, you can disable SNMP on your Windows printers using the following steps:

  1. Click the Start button > Settings > Devices  Printers and Scanners.
  2. Select your Printer and then click on the Manage button.
  3. Select Printer Properties and then click on the  Ports tab.
  4. Click on the Configure Port button.
  5. Uncheck the SNMP Status Enabled checkbox.
  6. Select OK and then Close.

Once SNMP is disabled, your printer should go back online again.