The error "The license for this product has expired" is unrelated to the error "Licensing for this product has stopped working." An expired license means that a serial number, which is no longer valid, is still stored in the pcd.db database file. The valid serial number you received with your purchased product didn't overwrite the expired serial number during the installation process. Removing the expired serial number allows you to enter your valid serial number.
Adobe Photoshop Cs4 Extended Serial Number Windows
If you've installed a copy of Adobe Photoshop CS4 on one of your company's Mac computers, the program may display an error message when you try to launch it, stating that its licensing or serial number has expired or that you're using an invalid serial number. You're not alone in your predicament -- or your frustration -- especially if you see this error message the first time you try to start up the program after you install it. How you handle this problem depends on whether your serial number actually has expired, or if you're seeing interference from a pre-release trial or pre-purchase demo version of the software.
Open the Apple menu and choose "System Preferences." Select the "Date and Time" preference pane and change your computer's clock date to January 1, 2006. This workaround overcomes the Catch 22 that arises because you must launch the software to remove the old serial number, but the expired serial number prevents you from launching the software. You can leave the time set to the correct value.
Start Adobe Photoshop CS4. Open the "Help" menu and choose "Deactivate." On the deactivation screen, activate the check box for "Erase This Serial Number" and click on the "Deactivate" button. Retail serial numbers for standalone copies of Adobe Photoshop or the Adobe Creative Suite don't expire, but demonstration copies and public beta-test or pre-release versions use licensing with short-term serial numbers.
Start Adobe Photoshop. When the program requests a valid serial number partway through the startup process, enter the serial number for a retail version of the software with no expiration date on its license. If you own a license for Photoshop CS, CS2 or CS3, you can use an upgrade serial number. Because Photoshop CS4 no longer represents the shipping version of the product, you can't obtain it from Adobe Systems. If you didn't purchase a Photoshop CS4 license during the shipping lifespan of the product, you may be able to find a sealed or transferable copy on an online auction site.
Insert your Adobe Photoshop CS4 installation disc and double-click on its installer file, or locate and double-click on your downloaded installer file for the program. Follow the installation instructions. When you're prompted for a serial number, enter the number on your disc box or from the purchase-confirmation email message you received from Adobe Systems.
CS2 activation servers' shutdown: In January 2013, Adobe Photoshop CS2 (9.0), with some other CS2 products, was released with an official serial number, due to the technical glitch in Adobe's CS2 activation servers (see Creative Suite 1 and 2). 2ff7e9595c
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