How to Fix Adobe Dreamweaver CS4 Error 147.20 at Startup
Question details
The user needs to resolve Error 147.20 that appears immediately when starting Adobe Dreamweaver CS4.
- Product
- Adobe Dreamweaver CS4
- Device & OS
- not provided
- Scenario
- Attempting to launch the Adobe Dreamweaver CS4 application.
- Observed behavior
- Dreamweaver CS4 immediately displays Error 147.20 upon startup, preventing the user from accessing the software.
Ensure you have your original Adobe Dreamweaver CS4 serial number or account credentials ready, as resolving licensing data issues will require you to reactivate the software.
Recreate Corrupted Adobe Licensing Data
Rename the existing Adobe licensing folders to force Dreamweaver to generate new, uncorrupted licensing data upon restart.
Close all running Adobe applications and restart your computer to ensure no Adobe background processes are active.
Navigate to your system's Adobe licensing folders, which primarily include the SLStore and Adobe PCD directories.
Right-click the SLStore and Adobe PCD folders and rename them (for example, change them to 'SLStore.old' and 'Adobe PCD.old') to back them up without deleting them.
Relaunch Dreamweaver CS4 as an administrator. The application will recreate the necessary licensing folders. Follow the on-screen prompts to reactivate the application using a valid serial number or Adobe account.
Run as Administrator and Apply CS4 Updates
Running the application with elevated privileges and installing the latest patches can resolve startup glitches.
Perform a Clean Reinstallation of Dreamweaver CS4
If configuration files are deeply damaged or the installation is incomplete, removing and reinstalling the software is required.
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Frequently Asked Questions
What exactly causes Error 147.20 in Adobe Dreamweaver CS4?
Error 147.20 is typically triggered by corrupted Adobe licensing data, damaged configuration files, or an incomplete initial installation of the CS4 software.
Will renaming the Adobe licensing folders delete my Dreamweaver projects?
No, renaming licensing folders such as SLStore and Adobe PCD only resets the software's activation data. Your website files, code, and project assets remain completely safe and untouched on your hard drive.
Can I still download updates for Dreamweaver CS4?
Because Dreamweaver CS4 is an older legacy product, official update servers may no longer be active through the application. You may need to manually search for official offline patch installers if the in-app updater fails.
