You can quickly check/unckeck all items in the list: right-click the list to open it's context menu, and then select Check all, or Check none, respectively.

Tip: To save time, while the scan is being processed, uncheck any items you don't want to remove, or whitelist items you don't want Ultra Adware killer to display in future scans. This allows you to have a better insight of the item, and decide whether you want to remove it or not. You can also jump to the item's location in the file system, when available, by right-clicking the item's line and selecting Open file location. Double-clicking an item automatically takes you to its location in the registry. While the scan is being performed, you can have a look the the items already found. The progress bar just below the Start scan button will tell you the scan's progress, and a text label below the progress bar will tell you which section is currently being scanned.

The SYSTEM account will always be scanned, though. If you want to scan only the current user, uncheck Scan all users, before starting the scan. The whole scan usually only takes a few seconds. You can press it again anytime during the scan, to cancel the scan. To start a scan, press the Start scan button. This can save you lots of time logging in to other user accounts and performing the scan again.Ultra Adware Killer removes browser toolbars, ad-ons, plugins, unwanted search providers and hijacked home pages, potentially unwanted programs (PUP's), and also rogues, trojans, rootkits, ransomware and all other forms of malware. Ultra Adware Killer is a simple but powerful adware and malware remover for Windows, which has the ability of detecting and removing adware and malware for all the users in a system.

Ultra adware killer