Avast Cleanup is a maintenance program that scans Windows for data and activity the user may choose to remove or suspend. It works on temporary files, browser records, broken shortcuts, registry references, installed programs, and background processes. A cleanup changes stored data; Sleep Mode changes whether selected programs can keep running when they are not in active use. Avast Cleanup does not scan those items for malware in place of an antivirus product.
Quick Clean
Quick Clean gathers several checks into one result screen. It can find system junk, browser data, broken registry keys, and shortcuts that point to missing targets. Avast Cleanup lets the user inspect the detected items before removal. That review matters because a browser cookie or cache entry can still save a sign-in or reduce the next page load even when the scan labels its category as cleanable.
Disk Cleaner separates Basic, Full, and Custom cleaning modes. A broader mode searches more locations and categories; it does not mean every detected file is equally disposable. Custom mode is the safer route when the computer stores application caches that would take time or bandwidth to rebuild.
Browser records
Browser Cleaner targets cached pages, cookies, history, and related browser storage. If a selected browser is open, Avast Cleanup asks the user to close it before the operation continues. Closing the window first prevents the browser from rewriting an open database while the cleaner changes it.
The Full cleaning mode can delete saved autofill data. That can remove stored form entries the user expected to reuse. Reviewing the browser categories before pressing Clean avoids treating browsing history, saved form data, and temporary page files as one interchangeable object.
Sleep Mode
Sleep Mode deals with resource use rather than disk clutter. Avast Cleanup can stop a selected program’s background processes, startup entries, and scheduled activity while leaving the program installed. Opening that program wakes its required activity, and Avast Cleanup can return it to sleep after use.
A sleeping program cannot perform its normal background job. Cloud synchronization can pause, scheduled checks can wait, and tray notifications can disappear until the program wakes. Avast Cleanup needs an exception for any program whose value depends on unattended work.
Program changes
The program-management area can scan installed applications for updates, put them to sleep, or pass them to the uninstaller. Software Updater requires an initial program scan before its update controls become available. Update scheduling also needs a separate choice in settings; installing Avast Cleanup does not silently define a safe update policy for every third-party program.
An application update can change its interface or compatibility even when the update itself succeeds. The uninstaller has a more permanent effect and may remove shared components or user settings according to the vendor’s uninstall routine. Sleep Mode is the reversible first step when the only problem is background load.
Auto-Clean rules
Auto-Clean runs selected cleanup categories in the background on a schedule. Avast Cleanup lets the user choose both the frequency and the file types it may remove. Those choices persist, so the next run does not present the same item-by-item confirmation as a manual scan.
Rescue Center can undo certain backed-up repairs and optimization changes. It does not reverse every deletion. The settings decide which categories receive backups and how long those backups remain. Browser records or files removed outside a protected category may have no return path, which makes the Auto-Clean selection more important than the schedule itself.
