What are Phase1Upsell.js Error Messages?

General Phase1Upsell.js Runtime Errors

Phase1Upsell.js file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types JS errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common Phase1Upsell.js runtime errors:

• Phase1Upsell.js could not be found.
• Phase1Upsell.js error.
• Phase1Upsell.js failed to load.
• Error loading Phase1Upsell.js.
• Failed to register Phase1Upsell.js / Cannot register Phase1Upsell.js.
• Runtime Error - Phase1Upsell.js.
• The file Phase1Upsell.js is missing or corrupt.

Most JS errors are due to missing or corrupt files. Your Phase1Upsell.js file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, Phase1Upsell.js file corruption could be caused from a power outage when loading Windows, system crash while loading or saving Phase1Upsell.js, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix Phase1Upsell.js Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your Phase1Upsell.js issue. These troubleshooting steps are listed in the recommended order of execution.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

1. Hit the Windows Start button
2. When you see the search box, type "System Restore" and press "ENTER".
3. In the search results, find and click System Restore.
4. Please enter the administrator password (if applicable / prompted).
5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
6. Restore your computer to that backup image.

If the Step 1 fails to resolve the Phase1Upsell.js error, please proceed to the Step 2 below.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many Phase1Upsell.js error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

1. Hit the Windows Start button
2. In the search box, type "Update" and press "ENTER".
3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
4. If updates are available for download, click "Install Updates".
5. After the update is completed, restart your PC.

If Windows Update failed to resolve the Phase1Upsell.js error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

If Those Steps Fail: Download and Replace Your Phase1Upsell.js File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate Phase1Upsell.js file version. We maintain a comprehensive database of 100% malware-free Phase1Upsell.js files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

1. Locate your Windows operating system version in the list of below "Download Phase1Upsell.js Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy the file into the appropriate directory for your Windows version:


Windows 8: C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16.4.4206.722_x86__8wekyb3d8bbwe\ModernPeople\shared\Accounts\
Windows 8.1: C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.5.9600.20605_x86__8wekyb3d8bbwe\modernpeople\shared\accounts\

4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 8.1.

You are downloading trial software. The purchase of a one-year software subscription at the price of $29.97 USD is required to unlock all software features. Subscription auto-renews at the end of the term (Learn more). By clicking the "Start Download" button above and installing "Software", I acknowledge I have read and agree to the Solvusoft End User License Agreement and Privacy Policy.