memory leak Winlogon.exe and high CPU usage

I use Windows XP SP3. I'm leaking memory in winlogon.exe (about 5 M/hour). In addition, the CPU usage spikes to 50% of all 6 seconds. The file is properly signed so probably not a virus.

This problem started after the application of last weeks patches.

I seriously doubt that winlogon has a memory leak or people around the world would be screaming about it... and they are not.

If this is what a thing look like, then you have another problem - probably a malware infection, or what you are currently using antivirus/antimalware protection is afflicted.

Looking at previous answers, I would say that McAfee is afflicted, and it is already a well know that McAfee is a memory and CPU hog and you may want to consider replacing with something of less intrusive as Microsoft Security Essentials (do you use McAfee?).

Since the Microsoft Answers forum does not have any kind of information system request when a new question is asked, we know absolutely nothing about your system.  Not knowing the basic information a problem prolongs the frustration and the agony of these issues.

Thank you MS Answers, allowing the resolution of simple problems as frustrating and a lot of time as possible.

Provide information on your system, the better you can:

What is your system brand and model?

What is your Version of XP and the Service Pack?

What is your Internet browser and version?

Describe your current antivirus and software anti malware situation: McAfee, Symantec, Norton, Spybot, AVG, Avira!, MSE, Panda, Trend Micro, CA, Defender, ZoneAlarm, PC Tools, Comodo, etc..

What do you see (exactly) that you don't think you should see, and when you see it?

If the system works, what do you think might have changed since the last time it did not work properly?

No matter what you use for malware protection, follow these steps:

Download, install, update and do a full scan with these free malware detection programs at:
Malwarebytes (MMFA): http://malwarebytes.org/
SUPERAntiSpyware: (SAS): http://www.superantispyware.com/

They can be uninstalled later if you wish.

The scans by operating clean, restart and fix any problems.

Tags: Windows

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