GP Error( 51): Driver is not installed, reinstall it now!

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GP Error( 51): Driver is not installed, reinstall it now!

Unable to connect to a VPN server.

OS: Wondows 10 Pro


Error message:

(T11064) 02/26/18 07:18:22:506 Debug(1346): no flushdns key set
(T11064) 02/26/18 07:18:22:506 Debug(5067): DLSA, RestoreProxySetting now
(T11064) 02/26/18 07:18:22:506 Debug(5084): ProxyDisabledByMe is false or not present, leave RestoreProxySetting now
(T11064) 02/26/18 07:18:22:506 Error(  51): Driver is not installed, reinstall it now!


Cyber Elite
Cyber Elite

try reinstalling your GlobalProtect client 'as administrator'


possibly your user account was not allowed to install the appropriate drivers for GP

Tom Piens
PANgurus - Strata specialist; config reviews, policy optimization

No use. The client is NOT working.


Tried to reinstall as different user.


Tried on three different laptops. 


I give-up.

L0 Member

Months ago have this issue too, I opened up a ticket and they told me that I have to reinstall the OS.....


I hope somebody else has found a real solution. Regards.

L0 Member

Finally I solved this issue just by coincidence. 


I was having troubles with VMware network adapters, and found on a forum that the vpn endpoint from checkpoint are not compatible with vmware network adapters.


Afer uninstalling the endpoint, the problem with Vmware was solved and also this issue with the driver with GP agent.


If you have another vpn endpoints you should try this.


Hope this can be useful for you. Regards.

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