Last Updated: 8th November 2012 Piriform is best known for its freeware program CCleaner. They also made Defraggler, a disk defragmentation tool that can be used to defragment folders and files too. It has received positive views on many websites. CCleaner alone has been installed more than 950 million times onto nearly 25% of all the PCs in the world. View Piriforms About Page Getting Started This guide will be focused on easily setting up CCleaner and Defraggler to be fully automatic on your Windows based PC. If you don't have CCleaner or Defraggler, You can download them from the official download pages below. System Requirements: Runs on Microsoft Windows 8, 7, Vista and XP. Including both 32-bit and 64-bit versions. Download CCleaner | Download Defraggler CCleaner Guide (Images in this guide are hidden in Spoiler tags, Be sure to click Show Spoiler to see them.) 1. Let's open up the CCleaner interface. 2. Click on the 'Options' tab. 3. Tick the box that says "Run CCleaner when the computer starts" Spoiler What does this do? - The next time you power on your PC (After a restart or shutdown) and login to Windows. CCleaner will automatically perform a clean that won't require any interaction from you. Advanced Guide To Auto Customization The above step is simple and straight forward, However we can further customize what we would like CCleaner to do automatically, To do this, We are going to use Windows Task Scheduler to access advanced options. I have uploaded my own Task Scheduler file for you to use. This can be easily modified to your likings, This is done to save time and a bunch of steps. Download | CCleaner Auto.xml (6.0KB) 1. Open Task Scheduler. This can be done easily by pressing the Windows Key + R key on your keyboard. This will open the Run Window, Enter the code below inside the Run Window and click OK. Code: control schedtasks 2. Inside the Task Scheduler Library Window. Right click and click Import Task. Select CCleaner Auto.xml that you downloaded. Spoiler After opening CCleaner Auto.xml, A Window like this should show. Spoiler To make things easier for the both of us, I've already created some Trigger presets that can be accessed by clicking on the Triggers tab. Spoiler 3. These Triggers are all disabled, You can choose to enable any selected one by clicking on either Trigger and then clicking the Edit button. For this guide I'm going to choose "Daily - At 8:00PM every day" and Enable it by ticking the Enabled box inside the Edit Trigger Window. Spoiler Further Configurations We Can Apply Auto Clean your PC when left idle | Image Link Save battery usage on Laptops | Image Link Information About Command Lines / Arguments (Optional) You'll notice in the Actions tab I have added 3 command lines to the end of CCleaner.exe What do they mean? /AUTO - Runs the cleaner upon loading and then closes the application. /S - Runs the program in Silent mode, Meaning the interface of CCleaner won't show or disturb you. $(Arg0) - UAC (User Account Control) bypass. So you won't have to see the UAC window or click Allow if you have UAC enabled, A must have for AUTO Triggers. >> To see more Command Lines and Arguments. Click here. That covers the CCleaner part of this guide. Defraggler Guide Defraggler on the other hand is alot more easier to configure since the program itself already has a suitable scheduler built in. This can be accessed by clicking Schedule within the Defraggler interface by clicking the Settings option. Spoiler By using what you've learnt with Windows Task Scheduler, You can apply the same use in Defraggler's Scheduler as they are very much alike. You can see my settings in the example images below. Spoiler There's not much else to cover with Defraggler --- Enhance CCleaner's cleaning abilities with CCEnhancer Download Here (266KB) Please make sure to read the Disclaimer! I hope you've found this guide I've written myself helpful, If any images/links become broken, Please tell me right away. If you have any questions or need help, Drop a post. Cheers.