Disk Defragment problem

Hi

When I try to defragment my C drive I first analyze it (indicates defragmenting is necessary) and then start the process. However once it completes I get a message that some files couldn't be moved/password protected. When I run another analysis it indicates that the drive needs to be fragmented - despite the fact that i just finished a defragment run.

Is this due to a malware infection?

I noticed that there are a few files that are password protected (a couple are spybot).

Suggestions?

Thanks in advance

 

What defragger are you using?

 

I suggest your Auslogics Bootspeed, used the new version ty

 

Thks for the replies

I'm using the standard defragger that comes with WinXP.

 

Puran has recently been made free for home use. Best I've seen so far.

http://majorgeeks.com/Puran_Defrag_Free_Edition_d6360.html