some sorta error occurred when i restart my window

while entering windows after restart...
some error like the one on the right pops out...

anyone help me out? >.<
restarted over 10 times today.

[KiraRin]

I just googled for anything to do with msi.dll, and came up with this:

http://www.liutilities.com/products/...lllibrary/msi/

Be careful with anything that instantly promises to fix it for you, cause its probably spyware.

Sorry I can't be of any more help

H.

[prh99]

Originally Posted by SnakeLegend

while entering windows after restart...
some error like the one on the right pops out...
anyone help me out? >.<
restarted over 10 times today.

What were you doing prior to this errors appearance, specifically did you install or uninstall any software or make any changes to your settings.
From the error it looks like the msi.dll was corrupted or otherwise changed so it no longer match the cryptographic signature Microsoft applies to their software. It is also possible you somehow got a malicious peace of software on your computer. Once you get Windows to the point of being able to boot normally I recommend you run a virus scanner as well as a spyware scanner.

One possible fix (baring the existence of any malicious software on your system) is going into safe mode and trying to reinstall the Microsoft Installer. You can download it here.

is it ok to do that?
will it do any damage to my PC?

ok i tried that...
it pops out... frequently now, not always. :S

[prh99]

Originally Posted by SnakeLegend

ok i tried that...
it pops out... frequently now, not always. :S

What did you try the scan or reinstalling the Windows Installer?. I guess if you get desperate you use your XP installation CD and let it repair Windows.