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You might not be able to get online this summer

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(WTVR) - Tens or even hundreds of thousands of computer users could be unable to get online this summer.

The FBI is warning all computer owners to check for a type of malware called "DNS Changer," which is similar to a virus.

PCs infected with DNS Changer were used by a group of hackers for fraud.

Federal agents say they've caught those responsible.

However, a temporary solution keeping the infected machines online will go away in July, and users won't be able to connect to the internet.

You can check your computer by visiting: