If you are using Avast, then you might have seen this Instup.exe file. This Instup is an executable file installed automatically with Avast Antivirus.
Avast is a free security software to remove all unwanted files, malware, viruses, trojans and worms. Instup.exe is an avast installer that automatically updates avast files, but sometimes it started using huge RAM and CPU power. Instup.exe is responsible for antispyware, antiphishing, automatic updates, HTTPS scanning and other security processes on your Windows OS.
Note that this Instup.exe avast antivirus installer is not Windows core service so you can easily disable it.
You can easily fix Instup.exe avast application error with these solutions mentioned below. These solutions are tested by our team.
Contents
Solution 1: Scan your PC for Malware
The first step is to scan your entire system for malware and virus. If there are any virus on your system then the Avast scan will detect all infected files. You can use other antivirus software to scan for virus.
If you find any virus or malware then remove it and then restart your system.
Solution 2: Use Windows System File Checker
There is another solution. You can use built-in Windows system file checker to fix corrupted or damaged files. This file checker can remove all present virus from your Windows 10.
To access Windows file checker, follow these steps.
Step 1: Open the start menu and then search for the command prompt.
Step 2: Right-click on it and then choose open with administrator rights.
Step 3: Now in the command prompt, type this command and then press enter.
sfc/scannow
Now, wait for the process. It will take some time. This system file checker will automatically scan your entire system and list all the issues.
If there will be any problem, then it will be listed in the result section.
Follow the suggested steps to fix it:
After your computer restarts, check to see if instup.exe is still causing problems. If the problem still exists, then proceed to the next solution.
Solution 3: Stop instup.exe from Running in the Background
Step 1: Launch Avast Antivirus and then in Avast UI, find Settings option. Click on Settings.
Now click on troubleshooting and then uncheck the option, avast self-defence module.
Also, you have to delete the Avast update log files. This step will stop instup.exe from running in the background.
Follow these steps to delete Avast log files:
Step 1: Open file explorer and then go to C:\ drive > ProgramData > AVAST Software > Persistent Data > Avast > Logs.
Step 2: In the log folder, delete the Update log file and then reboot your PC.
Recommended: How to Uninstall Avast SafeZone Browser
Solution 4: Install Windows Updates
Sometimes due to old Windows, you can face this issue. To fix major Windows problems, you have to install the latest Windows 10 updates. To check and download all available Windows 10 updates, go to Settings using Win + I key.
Then go to updates and security and then click on check for updates. It will search for all available Windows 10 updates and download them.
Restart your PC when required.
Solution 5: Use Windows System Restore
If you are still facing the same issue even after applying the above solutions, then you can use this last method which is system restore.
System restore is a special feature in Windows that allows users to restore the old backup. This will fix all issues on your Windows 10 including Instup.exe Avast Application Error.
The Bottom Line
Please follow each step very carefully. If you are confused with any method then comment below. We will guide you through that solution.
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