CCS/CCSTUDIO: CCS 9.3 update causes CCS 9.3 cannot start

Tool/software: Code Composer Studio

I try to do CCS 9.3 update but it causes CCS 9.3 cannot start.When I start CCS9.3, it always pops the following dialog box. How can I fix this?

The followings are information in startupInstaller_6.0.0.201611291427.log.

Logging on 2020/02/20 13:17:35
2020-02-20 13:17:35.692: copying ccs_update_9.3.0.00012.exe
2020-02-20 13:17:35.692: in copyFiles, copying utils to downloads
2020-02-20 13:17:35.692: copyFile: C:\ti\ccs930\ccs\eclipse\utils\ccs_update_9.3.0.00012.exe to C:\ti\ccs930\ccs\eclipse\downloads\ccs_update_9.3.0.00012.exe
SI_MAIN: higestfile = ccs_update_9.3.0.00012.exe
SI_MAIN: utilFile = ccs_update_9.3.0.00012.exe
highest file is not null
SI_Main: Find file to run C:\ti\ccs930\ccs\eclipse\downloads\ccs_update_9.3.0.00012.exe
SI_Main: exec cmdargs[0] cmd.exe
SI_Main: exec cmdargs[1] /c
SI_Main: exec cmdargs[2] C:\ti\ccs930\ccs\eclipse\downloads\ccs_update_9.3.0.00012.exe
SI_Main: exec cmdargs[3] --ccs
SI_Main: exec cmdargs[4] true
SI_Main: exit code 0