What Is Instup.exe
Avast is a free software security program that protects computers from malicious software, viruses, Trojan horses, and computer worms. What is Instup.exe? Instup.exe runs the Avast installation program and virus definition update program.
Also see: Avast Not Opening on Windows? Here Are Some Useful Solutions
However, many users report that they encounter the Instup.exe issue. For example:
- Instup.exe application error
- Instup.exe is not found
- Instup.exe failed
How to Fix Instup.exe Error
Fix 1: Run a Virus Scan for Your System
The Instup.exe error may occur because there is a virus on your computer. Thus, you can run a virus scan for your system.
Here is the way to run a full virus scan using the Windows Defender:
Step 1: Open Settings to click Update & Security.
Step 2: Click Windows Security and then click Virus & threat protection under Protection areas.
Step 3: Click Scan options and then check Full scan in the newly pop-out window. Click Scan now.
Step 4: Wait until the process is complete, then it will show whether there is any virus or malware. If there is, use Windows Defender to fix it.
Step 5: Restart your Windows and then relaunch the program that gave you the error to see if the Instup.exe error still persists.
Fix 2: Update to the Latest Windows System
Then, you can try to update your Windows to the latest version. Windows updates can help you fix a lot of system issues and bugs. When you encounter the Instup.exe error, you can try installing the latest Windows updates. Here is how to do that:
Step 1: Right-click the Start menu and choose Settings.
Step 2: On the Settings window, select Update & Security.
Step 3: Under the Windows Update section, click the Check for updates button to check if there are any new updates. Then Windows will search for available updates. Just follow the on-screen instructions to finish the process.
After installing the latest Windows updates, restart your computer and check if the Instup.exe error gets fixed.
Fix 3: Run System File Checker
SFC (System File Checker) is a Windows built-in tool used for replacing damaged, lost, or changed system files with good system files. Running this tool can fix the Instup.exe error. To do that, you just need to open Command Prompt and then type sfc/scannow and press the Enter key. Then, you can check if the error has been fixed.
Also see: Quickly Fix — SFC Scannow Not Working (Focus on 2 Cases)
How To Fix Instup.exe High CPU Issue
Some people also report that they encounter the Instup.exe high CPU issue. Now, let’s see how to fix it.
Step 1: Run the Avast Antivirus on your computer.
Step 2: Navigate to Avast’s user interface and click Settings. Then, click the Troubleshoot option and uncheck the Avast Self-Defense Module option.
Step 3: Open File Explorer. Then, navigate to C:\Drive>ProgramData>AVAST Software>Persistent Data>Avast>Log.
Step 4: In this directory, delete the update log file.
Then, you can check to see if the Instup.exe high CPU issue has been fixed.
Final Words
To sum up, this post what Instup.exe Avast is and how to fix the Instup.exe error. Besides, you can know how to fix the Instup.exe high CPU issue.
ABOUT THE AUTHOR
Position: Columnist
She was graduated from the major in English. She has been the MiniTool editor since she was graduated from university. She specializes in writing articles about backing up data & systems, cloning disks, and syncing files, etc. She is also good at writing articles about computer knowledge and computer issues. In daily life, she likes running and going to the amusement park with friends to play some exciting items.
Originally published at https://www.minitool.com on March 3, 2021.
