windows explorer has encountered a problem and needs to close. sorry for the....

i get this windows error messages at startup. followed by a second error message. when i click debug send or dont send for each message my computer freezes then i have to shut down manually by holding the power button. then i power up my computer again and there are no error messages and it works ok. here are the two error messages:

windows explorer has encountered a problem and needs to close. sorry for the inconvenience.

error signature
appname: explorer.exe
appver: 6.0.2900.5512
modname: esarabulezel.dll
modver: 0.0.0.0
offset: 00025e4b

the following files will be included in this error report:
C:\DOCUME~1\USER~1\LOCALS~1\Temp\a164_appcompat.txt

followed by a second windows error

DrWatson Postmortem Debugger has encounterd a problem...

error signature
eventtype:BEX
P1rwtsn32.exe
P2:5.1.2600.0
P3:3b7d84a2
P4:dbghelp.dll
P5:5.1.2600.5512
P6:4802a0b2
P7:0001295d
P8:coooo409
P9:00000000

Hello some day before I was facing similar kind of problem, at that moment I search it on internet and then I follow the steps provide in that link. Just go through that link and follow the all steps and suggestion as they are specified in that link. I solve my issue with this link I hope that you will get appropriate solution by this link. Please go through it and let me know that it’s helpful for you or not thank you.
http://support.microsoft.com/kb/293623

I too have the same problem ! whenever i try to open a particular folder, this message pops up ! whether i try to report the problem or ignore it, the system gets hanged.. i'm using windows xp with sp3 ! can you guys help !!

There are ample of threads which are discussed over here. You can go through them to get the proper info. Usually this is a virus issue and to fix this you will need to format your computer completely. There are ways like restoring system in safe mode works most of the time.
Windows Explorer has encountered a problem and needs to close.
windows explorer has encountered a problem and needs to ....
Windows Explorer has encountered a problem