Why can't Dr. Chao Huaan's antivirus software be updated?

The cooperation between Beijing An Doctor Information Security Technology Co., Ltd. and Shanghai Chaohua Software Application Co., Ltd. on "Chaohua-An Doctor" antivirus products was terminated on April 15, 2005, and the cooperation between Beijing An Doctor Information Security Technology Co., Ltd. and Shanghai Chaohua Software Application Co., Ltd. on "Chaohua-An Doctor" antivirus products was terminated on April 15, 2005, and the corresponding technical support also stopped.

The detailed product list is as follows:

1) Dr. Chao Huaan Strategy Center (Zarvasoft Policy Center 4.0)

2) VirusClean for Client by Dr. Zhao Hua Ann.

3) Dr. Chao Huaan's VirusClean for Server.

4) Dr. Chao Huaan's gateway antivirus product (VirusClean for Gateway)

5) Dr. Chao Huaan's antivirus UNIX/Linux (virus removal for UNIX/Linux)

6) Virus cleaning for Notes 5

7) Online virus cleaning

8) Virus cleaning for Exchange

9) Gateway virus cleaning (NT)

2. In order to protect the interests of customers, dealers and all users who own and use Dr. Chao Huaan's products should contact Dr. An as soon as possible to replace the related products. The deadline for this product replacement activity is 65438+February 3, 20051.