When the system is deactivated due to system upgrade or other reasons, the top of the screen will prompt "Activation failed, please check the system version information corresponding to this serial number" and "Important files have been tampered with", and the activation code and probation period cannot be activated, as shown below:

Settle a dispute

First field

Execute dpkg -l | grep deepin-desktop to view the status of the software package, as follows:

Scene 2

Execute dpkg -l | grep deepin-desktop to view the status of the software package, as follows:

Deepin-desktop-base package is found to be in normal state, and deepin-desktop-server package is not installed. Continue to check whether the /var/uos/os-license file exists and whether the file content is normal:

The prompt file does not exist or is as follows:

Fault handling

The premise is that the computer has turned on the developer. If the developer is not turned on, you need to enter tty9 for processing. This paper introduces how to enter the tty9 super management mode of Unified Communications Desktop Professional Edition. If the function of tty9 has been banned in the version after 1030, you need to enter the livecd to open the professional version of unified communication software for developers. This paper introduces how to open the system developer authority in livecd rescue mode.

First field

first step

Uninstall the installed software package deepin-desktop-server. If you uninstall this package directly, you will get a dependency error, so it is difficult to uninstall it directly. You can ignore dependency unloading by executing the following command:

sudo dpkg-force-depends-P deepin-desktop-server

Second step

Install deepin-desktop-base software package. The version of deepin-desktop-base package corresponding to the 5.3.2.6 version of authorization management tool is deepin-desktop-base _ 2020.08.27+DDE. The compressed package in the attachment below contains the signature packages of amd, arm and mips. Just double-click the package with the corresponding architecture to install it. In some cases, when you double-click install, you can't find the package installer, which may be due to uninstalling the deepin-desktop-base package and the deepin-deb-installer package. At this point, you can use the command sudo dpkg -i and the package name to install it.

deepin-desktop-base _ 2020 . 08 . 27 DDE . zip

99.4 KB

Third step

Check the status of deepin-desktop-base software package after installation, as follows:

The status of the package is ii, which is the normal status.

Fourth step

Generally, computer networking will automatically activate, or you can directly restart the computer to activate normally.

Scene 2

Reinstall the same version of deepin-desktop-base software package directly to regenerate the /var/uos/os-license file. After the installation is completed, check whether the /var/uos/os-license file is normal, and restart the computer to restore normal activation.