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Failed to verify SmartFTP.exe


SmartFTP is not able to verify SmartFTP.exe.


Root certificates are not up-to-date


Windodws Update

  1. Go to Windows Update 
  2. Click on Custom
  3. Install all High Priority updates (including Internet Explorer 8)
  4. Install the Update for Root Certificates in the Windows XP category

Or if you are unable to run Windows Update add the root certificate manually:

  1. Open Windows Explorer (explorer.exe)
  2. Go to the SmartFTP program files folder. e.g. C:\Program Files\SmartFTP Client
  3. Right-click on SmartFTP.exe
  4. Select Properties
  5. Go to the Digital Signatures dialog
  6. Select the SmartSoft Ltd. certificate
  7. Click on Details
  8. Click on View Certificate
  9. Go to the Certification Path tab
  10. Select the Verisign certificate
  11. Click on View Certificate
  12. Click on Install Certificate... and install the certificate into the Trusted Certificates store
If this doesn't work install the root certificate manually:
  1. Go to
  2. Download and extract the root package: Download a root package (
  3. Double click the "Generation 5 (G5) PCA\VeriSign Class 3 Public Primary Certificate Authority - G5.cer"
  4. In the certificate properties dialog, click on Install Certificate...
  5. Select Place all certificates in the following store
  6. Click Browse...
  7. Select Trusted Root Certification Authorities

Applies To
  • Windows XP
  • Windows 2003

SmartFTP.exe has been corrupted


Reinstall SmartFTP.


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