You can only install one Adobe product at a time to solve the problem

Since yesterday, the process of processing text in Photoshop on the computer has become very slow. It took a while to complete the process on the Internet.
Today, Adobe Photoshop is reinstalled. The uninstallation is very troublesome. the uninstallation that comes with the program cannot be found. You can only use the smart uninstallation of the optimization master.
After the installation is complete, the system prompts "You can only install one Adobe product at a time".You can only install one Adobe product at a time"
You can install only one Adobe product at a time. Please complete other installation before trying to install Adobe Photoshop cs3.

Complete the installation before you try to install Adobe Dreamweaver CS3.

Complete other installation before trying to install Adobe Flash CS3 professional.

Complete other installation before trying to install Adobe Flash cs3.

Complete other installation before attempting to install Adobe Acrobat professional.

Use Windows optimization master to clear registration information
No
Delete all Adobe information in the Registry
Still not good
Use Windows optimization master to clear junk files
Or not.

I went to Baidu and found the solution. Microsoft found a "Windows Installer cleanup utility" (msicuu)

Note: Renewal.
After the installation is complete, run the program, select all options starting with Adobe (Be sure to select all), and then click Remove.
After running the Photoshop installation program, you will not be prompted "You can only install one Adobe product problem at a time" to complete the installation!