The Avast Cleanup application improves your device’s performance by deleting the cache and junk files. The app runs a device analysis and frees up space by removing the left-over files and unwanted applications. The app helps to increase the speed and battery life of your device. Avast removes ads for a better cleanup experience, and the hibernation mode prevents battery drainage and removes pop-ups from bloatware programs.
The installation error code 963 is a Google Play Store error that may occur when you install the Avast Cleanup application.Proceed with the steps given below to fix the Avast Cleanup Install Error Code 963 from your Android smartphone or tablet.
Step 1: Settings to Fix the Error Code 963
Step 2: Reinstalling the App
Step 3: Clearing Cache
Step 4: Force Stop, “Google Play Store.”
Step 5: Unmount the SD card