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How to Fix Salesforce Login Error on Windows 10: Step-by-Step Solutions

Experiencing login errors with Salesforce on your Windows 10 computer can be frustrating. These errors can stem from simple issues like incorrect credentials or more complex problems such as browser settings or network restrictions.

This guide will walk you through easy, step-by-step solutions to fix your Salesforce login error. Each step is explained in a clear and basic way so anyone can follow along.

By following these instructions, you should be able to resolve most common login problems and get back to using Salesforce smoothly.

Let’s get started with a few quick checks before diving into detailed troubleshooting.

Quick Note: Prerequisites and Initial Checks

  • Check your internet connection: Make sure your computer is connected to the internet and the connection is stable. Without internet, Salesforce cannot authenticate your login.
  • Verify your Salesforce credentials: Double-check your username and password for typos or changes. Remember that passwords are case-sensitive.
  • Confirm Salesforce service status: Occasionally, Salesforce services may be down. You can visit Salesforce Status to verify if there are any outages.
  • Use a supported browser: Ensure you are using an updated browser like Google Chrome, Mozilla Firefox, or Microsoft Edge. Older browsers may cause login issues.

Step 1: Clear Browser Cache and Cookies

Sometimes, your browser stores outdated data that can interfere with logging in. Clearing the cache and cookies removes these old files and forces your browser to load fresh data.

  1. Open your browser (e.g., Chrome or Edge).
  2. Press Ctrl + Shift + Delete on your keyboard to open the Clear Browsing Data window.
  3. Select Cookies and other site data and Cached images and files.
  4. Choose the time range as All time.
  5. Click Clear data.
  6. Close and reopen the browser, then try logging into Salesforce again.

Why this matters: Clearing cache removes corrupted or outdated files that could prevent proper loading of the login page or authentication processes.

Step 2: Disable Browser Extensions

Browser extensions like ad blockers or privacy tools can sometimes block essential scripts Salesforce needs to run.

  1. Open your browser’s menu (usually three dots or lines in the top-right corner).
  2. Go to Extensions or Add-ons.
  3. Disable all extensions temporarily.
  4. Restart your browser and attempt to login to Salesforce.
  5. If login works, enable extensions one by one to identify the problematic one.

Why this matters: Some extensions interfere with website functionality by blocking scripts, cookies, or redirecting traffic.

Step 3: Check Date and Time Settings on Windows 10

Incorrect date and time settings can cause authentication errors since secure connections rely on time stamps.

  1. Click the Start button and open Settings.
  2. Go to Time & Language > Date & time.
  3. Make sure Set time automatically is turned On.
  4. If it’s already on, you can toggle it off and on again to refresh.
  5. Try logging into Salesforce after correcting the time settings.

Why this matters: Secure login protocols use timestamps to verify sessions. Incorrect system time can cause login failures.

Step 4: Reset Your Salesforce Password

If you suspect your password might be incorrect or expired, resetting it is a straightforward fix.

  1. On the Salesforce login page, click Forgot Your Password?
  2. Enter your username or registered email address.
  3. Follow the instructions in the password reset email you receive.
  4. Create a new, strong password and try logging in again.

Why this matters: Password errors are one of the most common reasons for login failures and resetting ensures you are using the correct credentials.

Step 5: Try a Different Browser or Incognito Mode

Using a different browser or opening an Incognito/Private window can help identify if the problem is related to your current browser’s settings.

  1. Open a new Incognito window by pressing Ctrl + Shift + N in Chrome or Edge.
  2. Go to the Salesforce login page and try to sign in.
  3. If it works, the issue is likely related to your browser’s normal settings or extensions.
  4. Alternatively, try logging in using a different browser installed on your computer.

Step 6: Temporarily Disable Windows Firewall and Antivirus

Sometimes, your firewall or antivirus software may block Salesforce connections mistakenly.

  1. Open Windows Security from the Start menu.
  2. Go to Firewall & network protection.
  3. Temporarily turn off the firewall for your active network.
  4. Also, check your antivirus program and temporarily disable real-time protection.
  5. Try logging into Salesforce again.
  6. Remember to turn your firewall and antivirus back on after testing.

Why this matters: Security software can sometimes block legitimate traffic, especially if Salesforce’s IPs or domains are not whitelisted.

Step 7: Check Network Restrictions and Proxy Settings

If you are on a corporate or restricted network, some settings may block Salesforce access.

  1. Open Settings > Network & Internet > Proxy.
  2. Make sure no unnecessary proxy or VPN is enabled that might interfere.
  3. If you are using a corporate network, contact your IT administrator to ensure Salesforce domains are allowed.

Alternative Advanced Option: Use Salesforce Authenticator App

If your organization uses two-factor authentication, make sure your Salesforce Authenticator app is properly set up and synchronized. Sometimes login errors happen when the authentication app is out of sync or misconfigured.

Frequently Asked Questions (FAQs)

Why do I get “Invalid username or password” even though I’m sure they are correct?

This can happen if your password has expired or your account is locked. Try resetting your password or contact your Salesforce admin for assistance.

Can using VPN cause Salesforce login issues?

Yes, some VPNs may block or route traffic in a way that Salesforce does not accept. Try disconnecting the VPN or using a trusted network.

What should I do if I forgot my Salesforce username?

Use the “Forgot Your Password?” link and enter your email address to recover your username or reset your password.

Why does Salesforce login fail only on my Windows 10 PC?

This might be due to local browser settings, firewall, or network restrictions specific to your PC. Testing with different browsers and checking security software settings can help.

Is Salesforce down? How can I check?

You can check the official Salesforce status page at status.salesforce.com to see if there are any ongoing outages.

When Nothing Works: Final Resort Options

If you have tried all the steps above and still cannot log in, consider the following:

  • Contact Salesforce Support: Visit Salesforce Help or open a support case for personalized assistance.
  • Reach out to your Salesforce Administrator: They can check if your account is locked or if there are organization-wide login restrictions.
  • Try logging in from a different device or network: This can help isolate whether the issue is with your PC or network.

Conclusion

Salesforce login errors on Windows 10 are often caused by simple issues like incorrect credentials, browser cache problems, or security settings. By following the step-by-step solutions above—from clearing cache to checking network restrictions—you can resolve most login failures.

Remember to start with basic fixes and move to advanced options only if necessary. When stuck, don’t hesitate to use official support channels for help. With patience and these tips, you’ll be back to using Salesforce in no time.

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