Avast GrimeFighter: Frequently Asked Questions

Avast GrimeFighter FAQ

Avast GrimeFighter is an optimization tool to supplement your Avast Antivirus protection. Avast GrimeFighter provides as-needed scanning to clean and speed up your system by removing or disabling unwanted files and programs so that your computer runs in its most optimal state.

Basics

Settings and Features

Troubleshooting

Licensing

Miscellaneous

What is Avast GrimeFighter?

Avast GrimeFighter is a fully automated optimization tool for your computer that is meant to complement the services provided by Avast Antivirus 2015. Avast GrimeFighter provides an as-needed solution to clean and speed up your system by removing bloatware, trialware, adware, and other unwanted files so that your computer is running in its most optimal state. Avast GrimeFighter offers an array of benefits that are unique from other available optimization tools:

  • Our “sedation” process allows Avast GrimeFighter to boot directly into a custom Linux environment to make changes to a "sleeping" system's Windows installation. This allows us to easily wipe away trialware, adware, and bloatware which can be difficult for other tools to reach when the Windows system is actually running.
  • Avast GrimeFighter’s strong focus on user experience not only makes it easy to use, but also enjoyable and entertaining. Even for non-experienced computer users, Avast GrimeFighter is a great tool to keep computers clean without spending hours optimizing their systems manually.
  • The Avast GrimeFighter engine is powerful in and of itself, but it is also greatly enhanced by cloud technology. Because Avast GrimeFighter’s intelligence is in the cloud, every user gets the benefit of real-time, community driven results from other users.

With so much to offer Avast GrimeFighter has been included in the release of Avast Antivirus 2015 as a paid add-on feature. For more information on Avast GrimeFighter, please read on.

What are the system requirements for Avast GrimeFighter?

Your system must meet the following system requirements to run Avast GrimeFighter:

  • Windows 8.1 except RT and Starter Edition (32 or 64-bit); Windows 8 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 or higher, any Edition (32 or 64-bit); Windows Vista SP2 or higher, except Starter Edition (32 or 64-bit); Windows XP SP2 or higher, any Edition.
  • Permanent Internet connection (computer connection via LAN cable is strongly recommended).
  • 512 MB RAM or above.
  • 256 MB minimum hard disk free space.
  • Avast GrimeFighter does not run on any Apple Mac OS, or any other which isn't specified as supported.

How do I run an Avast GrimeFighter scan?

To run an Avast GrimeFighter scan in Avast Antivirus 2015, please follow these steps:

  1. Open your version of Avast Antivirus 2015. If you do not have Avast Antivirus 2015, you can download our free version or purchase an upgraded version from the AVAST website .

    For step-by-step instructions on how to download, install and open your version of Avast Antivirus 2015 please read the following article:
  2. From the main menu in the Avast user interface, select ScanScan for performance issues.
  3. Avast GrimeFighter runs a preliminary scan of your system. To proceed, select Optimize My PC.
  4. When prompted to Restart your computer, select Yes.
  5. Your computer starts in GrimeFighter mode. Click Begin GrimeFighter to start your scan.

    For detailed step-by-step instructions on how to start an Avast GrimeFighter scan, please read the following article:

Can I view details of what Avast GrimeFighter will optimize?

When Avast GrimeFighter has completed a scan, there is an option to review and modify any of the recommended changes before performing the final system cleanup. You can view and manually select actions to apply for each item, one by one.

When Avast GrimeFighter has completed a system cleanup a summary appears. It describes what was done to improve your computer’s security, performance and privacy.

For more details, please read the following article:

How can I uninstall Avast GrimeFighter?

If you would like to remove Avast GrimeFighter (Scan for performance issues option) from the Scan section in the main menu of your current Avast Antivirus 2015, please follow these steps:

  1. Go to your Windows Control Panel and click Program and Features (or Add or Remove Programs) to view a list of installed programs. Select your version of Avast Antivirus 2015 and click the Change/Remove button above. The Avast Setup wizard appears.
  2. Select the option Change on the left side of the Avast Installation screen, and then click Continue.
  3. A list of available components appears. Under the Tools column, uncheck GrimeFighter and select Continue.
  4. Avast notifies you when the removal is completed, and prompts you to restart your computer. Click Restart computer to reboot immediately.

For more details about Avast GrimeFighter uninstallation, please read the following article:

What are settings options in Avast GrimeFighter?

Once your computer has been started in GrimeFighter mode, you can find your Settings options by clicking the gear icon in the top right corner of the screen. Here you can set your Language and Keyboard to the layout of your choice, or set whether Avast GrimeFighter should automatically reboot back into Windows or shut down your computer once your scan is complete. To exit from the settings window, click on the cross symbol in the top right corner of the window.

For more details, please read the following article:

Upon the completion of an Avast GrimeFighter scan you have the option to review and modify any of the recommended changes before performing the final system cleanup. You can view a list of all issues GrimeFighter has detected and apply an action for each item, before any changes are made.

For more details, please read the following article:

If for whatever reason you need to exit an Avast GrimeFighter scan before it is finished, you will also find that you can return to Windows at any time by clicking the large cross symbol in the top right corner of the screen.

How can I adjust Avast GrimeFighter notifications?

When Avast GrimeFighter in Avast Antivirus 2015 finds some performance issues, a notification popup appears. If you want to change the way it checks your system and how often notifies you about grime, you can easily change settings. From the Avast user interface main menu, select ScanScan for performance issuesSettings.

For more details, please read the following article:

How do I undo changes made by an Avast GrimeFighter cleanup?

If you are unsatisfied with the changes made to your computer upon the completion of your last Avast GrimeFighter scan and cleanup, you have the option to revert your computer to its previous, pre-scan state.

For more details, please read the following article:

Can I use my computer as usual during an Avast GrimeFighter scan?

Once your computer has been started in GrimeFighter mode, you will not be able to access your Windows files or applications. However you can browse the Internet during your Avast GrimeFighter scan. Just click on the globe icon in the top right corner of the screen to open the browser in Avast GrimeFighter.

Avast GrimeFighter currently does not support Flash, so it is not possible to play YouTube or Netflix videos during your scan.

Why is Avast GrimeFighter not compatible with my system?

If your computer is not compatible with Avast GrimeFighter it does not appear as a Scan for performance issues option within Avast Antivirus 2015 (in the Scan menu). When using Avast GrimeFighter as a standalone application a message appears like the one below.

If you meet all the basic system requirements and Avast GrimeFighter is still not compatible with your system, this can be attributed to the following issues:

  • GrimeFighter does not run on any Apple Mac OS, or any other system which isn't specified as supported.
  • Some graphics cards are not supported.
  • GrimeFighter does not support RAID.
  • Scans require a constant Internet connection. If you’re having connection issues, try connecting to your router with an Ethernet cable for a more stable connection.

But don't worry, we are actively working on supporting as many computers as we can in future updates.

Why doesn’t Avast GrimeFighter ("Scan for performance issues" option) show up in my Avast Antivirus menu?

If you do not see a Scan for performance issues option upon opening Avast Antivirus 2015 user interface and selecting the Scan section, please check again in 5-10 minutes. If after 10 minutes you still do not see it and you meet all the system requirements, then Avast Antivirus 2015 has determined that your system is incompatible with running Avast GrimeFighter for other reasons.

For further details please see the section above.

How do I report a non-threatening item that Avast GrimeFighter removed from my system (false positive)?

After the completion of a scan, you might find that Avast GrimeFighter has removed an item you wanted to keep, or disabled a program you want to autostart upon booting into Windows.

Please report this situation to AVAST Support by opening a support ticket and including the exact file name or program and undesired result of running the Avast GrimeFighter scan. Please be specific!

To undo the changes made by your last Avast GrimeFighter scan, please read the following instructions:

How do I report a problem or suspected bug?

If Avast GrimeFighter behaves in an unexpected way or if you receive an error message, please report this situation to AVAST Support by submitting a ticket. Please understand that we cannot fix an issue unless we have enough details reproduce it. Please send a detailed description of any issue you report, including AT LEAST the following information:

  • Your version of Windows and your computer’s make, model, and graphics card.
  • Detailed description of the problem, and the series of actions leading up the issue.
  • Any error messages which appear.
  • Whether you noticed anything different after rebooting back into Windows following the Avast GrimeFighter issue.

Is Avast GrimeFighter available as a standalone application?

Avast GrimeFighter is offered as a standalone application, however please note that the system requirements for the version integrated with Avast Antivirus are more inclusive. To ensure you are using the most up to date version, please use GrimeFighter within Avast Antivirus.

How can I purchase a license for Avast GrimeFighter?

To purchase Avast GrimeFighter please follow these instructions:

How do I activate my purchased license for Avast GrimeFighter?

After clicking the Optimize My PC button, you can either purchase a new license or activate a previously purchased license.

To activate your Avast GrimeFighter subscription please follow these instructions:

Can I use my existing license for GrimeFighter within Avast Antivirus 2015 if it was already activated in the standalone version?

Yes, you can use Avast GrimeFighter within Avast Antivirus 2015 (ScanScan for performance issues) with a license which was activated in the standalone application. The only restriction is that it must be used on the same computer where it was activated for the first time.

For instructions to activate your existing license for Avast GrimeFighter, please read the following article:

Can I transfer my Avast GrimeFighter license from one computer to another?

No, licenses for Avast GrimeFighter are non-transferrable. Each single license can be used only for the one computer where it was activated for the first time. If you need to optimize another computer using GrimeFighter, you’ll need to purchase another license.

To purchase Avast GrimeFighter please follow these instructions:

Does the standalone application work differently from the version of GrimeFighter within Avast Antivirus 2015?

Both the standalone and the integrated version work by the same process, however you must access the Avast GrimeFighter scan in a different way. Please note that the system requirements for the version integrated with Avast Antivirus are more inclusive.

For detailed step-by-step instructions on how to start an Avast GrimeFighter scan, please read the following article:

What is Karma in Avast GrimeFighter?

Karma is a rough numerical representation of how much grime was removed from your system. Grime means the unnecessary and sometimes malicious files that slow down your computer. Karma can also be earned from information about grime that helps to improve our cloud engine.

Why do you need to check my computer configuration?

Computers have different hardware configurations (graphics cards, processor, memory, etc.), so we check your configuration to make sure Avast GrimeFighter can work properly. Avast GrimeFighter does not support all configurations but we are continually working to support as many computers as possible.

  • Avast GrimeFighter

  • Avast Premier 2015
  • Avast Internet Security 2015
  • Avast Pro Antivirus 2015
  • Avast Free Antivirus 2015
  • Microsoft Windows 8.1 / Pro / Enterprise
  • Microsoft Windows 8 / Pro / Enterprise
  • Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate
  • Microsoft Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate
  • Microsoft Windows XP Home / Professional / Media Center Edition

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