How to Fix the McAfee Error: Starting on Demand Scanner
written by: Donna Buenaventura•edited by: Bill Fulks•updated: 9/4/2010
You may receive a McAfee error starting on demand scanner using the McAfee Antivirus program. A rogue program infection can prevent McAfee from running a scan or the McAfee program has been corrupted. Follow the steps in this article to try resolving the on-demand scan issue using McAfee.
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McAfee and On-Demand Scanner
The antivirus program in the McAfee security suite software lets you run a manual or automatic scan. A regular scanning by an antivirus program is important, even if the anti-virus' real-time protection is running. A full or quick scan should be done to ensure the system is free from any type of security threats that the antivirus program is able to detect. In some cases, the McAfee Antivirus on-demand scanner may not start or you will received a message saying there is an error starting the on demand scanner. Below you will find some of the steps to use to resolve the problem in using the on-demand scanner in McAfee software.
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Rogue Program or Scareware Prevents McAfee On-Demand Scans
There are reports that an infected computer with rogue programs such Advanced Removal Tools, Antivirus Pro 2010 or SystemGuard will prevent McAfee from running a scan using its on-demand scanner. Rogue programs or scareware are known to block other security applications, and not only McAfee software. To resolve the problem, use any of the following steps with a free on-demand scanner to clean the computer from Trojans and rogue program:
If the McAfee Virtual Technician tool has found and fixed any problems, start running the on-demand scanner of McAfee.
If the problem is not resolved, proceed to login to your McAfee account and download a new setup file for your McAfee software. Make sure that McAfee is activated before you proceed in re-installing McAfee.
Follow the guide in this article to remove the McAfee software.
Re-install McAfee only after you've removed and rebooted the computer. Update the McAfee program to install any available program and definition updates and restart the PC again.
Try scanning the computer using the on-demand scanner.