Here’s an issue reported by some users recently:

My Internet connection frequently becomes slow for no apparent reason. The default homepage is changed to something else. I change the homepage back, but when I reopen my browser the new homepage appears instead of the default one. Multiple black pop up screens appear randomly, containing the following message: “C:Windowssystem32taskhost.exe”

The above issue is due to malware/virus. To resolve the issue, you would need to complete the following steps:

• Update your antivirus software. If you do not have one, download an advanced and robust antivirus software Program
• Restart your Windows computer in the Safe Mode. Here are the steps you need to perform to restart Windows 7 in the Safe Mode:

1. Click the Windows icon in the taskbar, point to the arrow button next to Start, and then click Restart
2. Press and hold the F8 key before Windows 7 Splash Screen appears
3. Select the Safe Mode option in the Advanced Boot Options, and then press Enter

• Scan your entire computer for infection
• Delete all the malware reported by your antivirus software