If you have any version of BOClean prior to version 4.07, you will not be able to update its database properly. Version 5.50 released Oct 13,2000 IEClean versions prior to 5.50 will not work with Internet Explorer version 5.5.
Upgrades are available for half-price.
If you using Netscape 4.77 through 6.01, you'll need to upgrade to NSClean6.00. Upgrades are available for half-price. There is currently no upgrade path for FileVac. Please watch this page for further information. Please include an address that can accept attachments.