Troubleshooting

WinUtil Support

Get back up and running.

Redownload WinUtil, resolve common security warnings, and fix the most frequent startup issues.

Redownload WinUtil

Already purchased WinUtil? You can download it again at any time from your account.

Download from your account

  1. Go to cttstore.com.
  2. Select the Account button and sign in with the email address used for your purchase.
  3. Open your Orders.
  4. Select your WinUtil order and choose Download.
Account icon highlighted in the store header
Select the account icon in the store header to view your orders and downloads.

Missing your order?

If you purchased through our previous platform, Podia, your purchase may not appear under Orders.

If you purchased in 2024 or earlier, use this discount code:

OG-CTT

This gives you 100% off the Toolbox, allowing you to add the current version to your account at no cost.

Virus detected?

WinUtil may occasionally be flagged by Microsoft Defender or other antivirus software.

1. Update your antivirus definitions

First, make sure Microsoft Defender or your antivirus software is fully updated. Outdated security definitions can cause false positives.

2. Still being detected?

If the latest definitions still flag WinUtil, you can add an exclusion in Windows Defender:

  1. Open Start > Settings.
  2. Go to Privacy & security > Windows Security.
  3. Select Virus & threat protection.
  4. Under Virus & threat protection settings, select Manage settings.
  5. Scroll to Exclusions and select Add or remove exclusions.
  6. Select Add an exclusion.
  7. Choose the WinUtil file, or the folder where you keep WinUtil.

Why does WinUtil get flagged?

I made a short video explaining why tools like WinUtil can trigger antivirus detections.

Watch the explanation on YouTube

Can't download WinUtil?

Windows SmartScreen may occasionally block the file before you can run it.

Review your SmartScreen settings

Start > Settings > Privacy & security > Windows Security > Open Windows Security
  1. Select App & browser control.
  2. Open Reputation-based protection settings.
  3. Review the SmartScreen setting that may be blocking the download.

Settings that can affect the download include:

  • Check apps and files
  • SmartScreen for Microsoft Edge
  • SmartScreen for Microsoft Store apps
  • Potentially unwanted app blocking

Toolbox opens and immediately closes

If Toolbox opens and immediately closes, make sure your network, DNS filter, firewall, or security software is not blocking github.com.

WinUtil relies on GitHub for some functionality, so blocking GitHub can prevent it from starting correctly.

VCRUNTIME140.dll error

If you receive a VCRUNTIME140.dll error, the Microsoft Visual C++ Runtime is missing or damaged. This runtime is required by many Windows applications.

Download and install the official Microsoft Visual C++ Redistributable (x64):

Download from Microsoft