Hi,I am using Windows XP SP3.I was not able to log back into my computer after using the Win+L buttons to lock my computer. There are only two accounts on this workstation, a User and Admin account. This happens on the User account (as i barely use the Admin account). The Admin account was oddly locked out too.After rebooting my machine i can log back into both accounts. This problem occurs once every few weeks (I normally lock my computer 8-12 times a day) and only in the mornings.I'm guessing this is most likely a software issue as i have scanned my computer with Avast and Microsoft Essentials and found no virus/malware. I don't install many programs on my workstation. The problems started occuring after i installed Bacula and Microsoft Essential in the same week.Has anyone had the same problems or know how to fix this?Regards,B Poole 1 person needs an answerI do too

Hi B Poole,Did you make any software or hardware changes prior to this issue?Let’s follow these methods & check if it helps.Method 1You may configure the computer in clean boot & check if the issue persists. It will start Windows XP by using a minimal set of drivers and startup programs and helps to eliminate software conflicts. The following link has steps showing how to perform clean boot: http://support.microsoft.com/kb/310353Note: Please ensure that the computer is set to start as usual by following the section ‘Steps to configure Windows to use a Normal startup state’ from the article: How to configure Windows XP to start in a "clean boot" state: http://support.microsoft.com/kb/310353Method 2You may also create a new user account & check if the issue persists.How to create and configure user accounts in Windows XPHope the information helps. Please post back and let us know.RegardsDebleena SMicrosoft Answers Support EngineerVisit our Microsoft Answers Feedback Forum and let us know what you think.