Ytbb.exe file information
The process known as Yahoo! Toolbar Assistant or Yahoo! Toolbar belongs to software Yahoo! Toolbar or Yahoo! Toolbar Assistant by Yahoo! (www.yahoo.com).
Description: Ytbb.exe is not essential for the Windows OS and causes relatively few problems. Ytbb.exe is located in a subfolder of "C:\Program Files (x86)" (in most cases C:\Program Files (x86)\Yahoo!\Companion\Installs\cpn0\).
Known file sizes on Windows 10/11/7 are 210,744 bytes (40% of all occurrences), 231,704 bytes, 217,880 bytes or 213,344 bytes. 
The program has no visible window. The ytbb.exe file is a Verisign signed file. Ytbb.exe is digitally signed. Ytbb.exe is not a Windows system file.
Therefore the technical security rating is 24% dangerous.
Uninstalling this variant:
In the event of any problems with ytbb.exe, you can also safely remove the program using the
uninstall program of
Yahoo! Toolbar (Control Panel ⇒ Uninstall a Program).
Recommended: Identify ytbb.exe related errors
Important: Some malware camouflages itself as ytbb.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ytbb.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving ytbb issues
A clean and tidy computer is the key requirement for avoiding problems with ytbb. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the ytbb.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
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Score
User Comments
One user thinks ytbb.exe is dangerous and recommends removing it.