To have IE 5.5 and above installed will make Lockspam works better on the feature of Anti Email Address Harvesting.
Question:
Users with Internet Explorer 5 and prior versions will find Lockspam not very effective in the Anti Email Address Harvesting, which could prevent the spammers from obtaining your email address and protect your mailbox and privacy.
Solution:
To better run Lockspam, please install IE 5.5 and above or download
Microsoft Windows Script from Microsoft official website too.