The worm will scan the Internet from infected servers, searching for servers that do not have Microsoft's fix in place. As more systems become infected, the worm's propagation will increase, potentially resulting in the Internet slowdown. But there is hope that the second wave of the worm will not be as devastating as the first.

According to Microsoft, as of late Monday, more than 1 million patches had been downloaded. Experts hope that the estimated 6 million potential targets will be patched by Tuesday's deadline.

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