Browser/Display FAQs

• What browsers may I use with Colorado Vendor Self-Service?
  Colorado Vendor Self-Service (ColoradoVSS) is browser-agnostic, and vendors may use the browser of their choice.  For the best use of this application, please ensure your pop-up blockers are disabled.

• Why won't VSS load in Firefox?
  Please uncheck OCSP by going to Firefox Settings > Privacy & Security > Certificates.
  
  

• Why is the site showing a message stating that it is down for maintenance?
  Subject to when you are seeing this message, the VSS site may be down for one of the following items:

  • Evening Maintenance

  • Weekend Maintenance

When the Vendor Self-Service (VSS) Application is down for evening maintenance, you will want to check back the following morning to access the site.  If the Vendor Self-Service (VSS) Application is down for weekend maintenance, the application will be unavailable from Friday evening to Monday morning.

View the Monthly System Scheduled Maintenance on our Contact Us page.

• Why is the ColoradoVSS website showing a blank page?
  You will want to make sure that you're using the correct URL to access ColoradoVSS.  The correct URL for ColoradoVSS is colorado.gov/vss, or https://prd.co.cgiadvantage.com/PRDVSS1X1/Advantage4

  • • Check that your pop-up blocker has been disabled and Java is enabled. 

      • Java is required for accessing CORE Websites.

    • If you’re sure you’re using the correct ColoradoVSS URL, clear your browser’s cache (history).

    • To clear your browser history, follow the guidance below (providing steps for 3 common browsers):

      • For Chrome:

• • 1. At the top right, select the three Dots on the top right

    2. Click More tools --> Clear browsing data.

    3. At the top, choose a time range. To delete everything, select All time.

    4. Next to "Cookies and other site data" and "Cached images and files," check the boxes.

    5. Click Clear data.

• For Edge:

  • 1. Select the three Dots on the top right

    2. Select Settings

    3. Select Privacy, search, and services

    4. Select Clear browsing data now, "Choose what to clear"

    5. Change Time range to "All Time"

    6. Select "Clear Now"

• For Firefox:

  • 1. Open Firefox

    2. Navigate to the "Options" panel (top right) and select options

    3. Navigate to "Advanced" and then to "Network"  

    4. Under Cached Web Content, click the "Clear Now" Button.

After you have cleared your browser history, you will want to close out your browser and bring CORE back up to see if your problem has been resolved.  If clearing your cache does not resolve the problem, please let us know so we can proceed to troubleshoot the issue.

If none of the above fixes the problem, please contact vss.help@state.co.us.