Many programs run silently in the background when you start up your computer. CCleaner’s patented registry cleaner clears out this clutter to make your PC more stable. Over time your registry can become cluttered with errors and broken settings which lead to crashes.

Regularly cleans junk files to keep your computer running smoothly.Ĭlears history and cookies when you're not using your web browser. It erases your web browser search history and cookies so any internet browsing you do stays confidential and your identity remains anonymous. It cleans up these files and makes it faster instantly.Īdvertisers and websites track your behavior online with cookies that stay on your computer. Is your computer running slow? As it gets older it collects unused files and settings which take up hard drive space making it slower and slower. CCleaner updates your software automatically to close security holes before they can be found.

Old software can have vulnerabilities, which are quickly discovered and shared amongst cybercriminals. CCleaner Pro updates once a month to stay on top! Outdated apps are a security risk. Maybe you had a bad download or bad install.These are some of the features you get with CCleaner Pro: No problems running CCleaner at all during this time on my 64bit setup. FWIW I've been running CCleaner (latest) on a 5 mo old Win7圆4 HP Pavilion, UAC is set to 'Always Notify' and have not encountered any problems like you describe. I was just browsing the forums and came across your post. So then I decided to change the compatibility of CCleaner on Win 7 to XP and now it seems to be working fine.ĭid not have this issue on vista but that was a 32 bit verison of Vista. Only other resident program is Avira Anti-virus.

I tried various settings with UAC on/off. I then uninstalled and reinstalled CCleaner on this 64 bit laptop and changed the setting in CCleaner to save settings to INI file.

After rebooting laptop Ccleaner would flash a Dos like box quickly and it would not launch the program. Ran Ccleaner on Windows 7 64 bit Toshiba laptop.

Ccleaner windows 7 32 bit filehippo