I have tried multiple times to install the pulse secure windows 9.1.x.  I have also removed this file multiple time C:\WINDOWS\system32\Drivers\PulseSAM.sys and  Ensure there are no existing PulseSecure within the registry path of LocalHost\SOFTWARE\Pulse Secure\Pulse\Drivers\PULSESAM\PulseSAM.   However, it ended with Everytime it ended with rollback. ------- Here are the logs: 00132,09 2021/02/08 22:28:20.224 2 SYSTEM MsiExec.exe pulseWFP p12992 tF98 pulseWFPInstDLL.cpp:287 - 'pulseWFP' Driver file name = PulseSAM 00251,09 2021/02/08 22:28:20.224 2 SYSTEM MsiExec.exe pulseWFP p12992 tF98 pulseWFPInstDLL.cpp:308 - 'pulseWFP' Driver file source = C:\Program Files (x86)\Common Files\Pulse Secure\PulseSAM\PulseSAM.sys, destnation = C:\WINDOWS\system32\Drivers\PulseSAM.sys 00131,09 2021/02/08 22:28:20.224 1 SYSTEM MsiExec.exe pulseWFP p12992 tF98 WFPInstall.cpp:84 - 'pulseWFP' service: PulseSAM already exists 00198,09 2021/02/08 22:28:20.224 1 SYSTEM MsiExec.exe pulseWFP p12992 tF98 pulseWFPInstDLL.cpp:147 - 'pulseWFP' Couldn't create registry key SOFTWARE\Pulse Secure\Pulse\Drivers\PULSESAM\PulseSAM, error = 5 00158,09 2021/02/08 22:28:23.958 1 SYSTEM MsiExec.exe jnprTdi p12992 tDA8 jnprTdiInstDLL.cpp:208 - 'jnprTdi' deletion of driver file jnprTdi_914_1955 failed, error 2 00148,09 2021/02/08 22:28:23.958 1 SYSTEM MsiExec.exe jnprTdi p12992 tDA8 jnprTdiInstDLL.cpp:227 - 'jnprTdi' deletion of driver key jnprTdi_914_1955 failed 00132,09 2021/02/08 22:39:14.103 2 SYSTEM MsiExec.exe pulseWFP p3804 t2E18 pulseWFPInstDLL.cpp:287 - 'pulseWFP' Driver file name = PulseSAM 00251,09 2021/02/08 22:39:14.105 2 SYSTEM MsiExec.exe pulseWFP p3804 t2E18 pulseWFPInstDLL.cpp:308 - 'pulseWFP' Driver file source = C:\Program Files (x86)\Common Files\Pulse Secure\PulseSAM\PulseSAM.sys, destnation = C:\WINDOWS\system32\Drivers\PulseSAM.sys 00131,09 2021/02/08 22:39:14.112 1 SYSTEM MsiExec.exe pulseWFP p3804 t2E18 WFPInstall.cpp:84 - 'pulseWFP' service: PulseSAM already exists 00198,09 2021/02/08 22:39:14.115 1 SYSTEM MsiExec.exe pulseWFP p3804 t2E18 pulseWFPInstDLL.cpp:147 - 'pulseWFP' Couldn't create registry key SOFTWARE\Pulse Secure\Pulse\Drivers\PULSESAM\PulseSAM, error = 5 00158,09 2021/02/08 22:39:17.776 1 SYSTEM MsiExec.exe jnprTdi p3804 t1228 jnprTdiInstDLL.cpp:208 - 'jnprTdi' deletion of driver file jnprTdi_914_1955 failed, error 2 00148,09 2021/02/08 22:39:17.776 1 SYSTEM MsiExec.exe jnprTdi p3804 t1228 jnprTdiInstDLL.cpp:227 - 'jnprTdi' deletion of driver key jnprTdi_914_1955 failed Please help. Thanks very much     ... View more