Nuker.com, the creator of Spyware Nuker, a leading anti-spyware software has identified 9 warning signs of spyware and adware.

If you have one of these signs, there’s a possibility your computer is affected by spyware.

These signs are:

1. The homepage of your browser has been mysteriously  changed. You change it back manually to your favorite website, but later on you find that it has changed back again.
2. You get pop-up advertisements even if you are not even connected to the Internet.
3. Your phone bill includes expensive calls to 900 numbers that you never made.
4. When you enter a search term in Internet Explorer’s address bar and press Enter to perform the search, an unfamiliar site handles the search instead of your usual search site.
5. New item appears in your Favorites list. No matter how many times you delete it, the item always reappears later.
6. Your system runs slower than it did before. Launching the Task Manager and clicking the Processes tab reveals that an unfamiliar process is using nearly 100 percent of available CPU cycles.
7. At a time when you’re not doing anything online, the send or receive lights on your dial-up or broadband modem blink just as wildly as when you’re downloading a file or surfing the Web. Or the network/modem icon in your system tray flashes rapidly even when you’re not using the connection.
8. A search toolbar or other browser toolbar appears even though you didn’t request or install it. Your attempts to remove it fail, or it comes back after removal.
9. And the final sign is: Everything appears to be normal. The most devious spyware doesn’t leave traces you’d notice, so scan your system anyway.

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