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Tool Driver kl1.sys_X64 could not be installed

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This is an updated post.


I previously tryed to install version without success, Same errors reported here. It was at this previous topic link.

Had no reply from Kaspersky team.

Now I downloaded the new version available but stil same error.

Attached the updated LOG and GSI file.





Package downloaded now: anti_ransom_installer.msi (29.912Kb)


I work at home with only one PC. I'm the Admin configured fot the machine.

Core I5 PC with Windows 7 Ultimate updated.

I'm using AVG free.

At initial configuration I selected administrator option (one machine only).


Got the following errors:

At first run:

- Kaspersky lab driver failed to start (tryed to Repeat, later then Ignore). No changes.


Tryed to repeat then got:

- Driver kl1.sys_X64 could not be installed


Rebooted, tryed all the same with AVG disabled but same errors happenend.


Not able to attach files (upload error -200), so here the links:

LOG: https://drive.google.com/file/d/0BxaMB7V7jSF9ZldWUVR3aUdjQ1U/view?usp=sharing

GSI: https://drive.google.com/file/d/0BxaMB7V7jSF9ckJacUJTUWtkNDA/view?usp=sharing




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Again zero replyes from Kasperskt team at this and the previous topic.


I'm deleting my files from public drive.

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I`m sorry for the delay. We`re investigating your issue at this moment.

Could you please use KAVRemover to remove all KART leftovers and  then install KART ver again? 

KAVRemover : https://support.kaspersky.com/us/1464

KART ver https://special.s.kaspersky-labs.com/j4xk0a1v50po5nlwhog0/anti_ransom_installer.msi

Also this could be usefull in your case https://support.microsoft.com/en-gb/help/834484/you-receive-an-error-1603-a-fatal-error-occurred-during-installation-e 

Please let me know if it was helpful.

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Thanks for the reply.

Just for checking, I went after the Microsof article, that is related to Windows 10, but the security is related, so I veryfied and the C: disk and all the folders are allowed to System and Administrator users with Full control.

Just to remind, I work at home with only one PC. I'm the Admin configured fot the machine.

Core I5 PC with Windows 7 Ultimate updated.

I'm using AVG free. (disabling it had no difference thring to installing KART)



I already used the KAVRemover  but just to prevent, I executed it again for the both versions I tryed to install before, with t reboot after each execution.

Then I add the Registry to generate log and donwloaded againt the installer from your link.

The result is the same as previous related.

At first execution an Unable to start service.

At the second, the "Driver kl1.sys_X64 could not be installed ".


I'm linking the new log files for the two install tryes and I generate again the GSI with the Windowss events logs.

First execution Log: https://drive.google.com/file/d/0BxaMB7V7jSF9TkFSV1I5VHFyQ1k/view?usp=sharing

Second execution Log: https://drive.google.com/file/d/0BxaMB7V7jSF9YmVvdGdreTVRWFk/view?usp=sharing

GSI execution (after install tryes): https://drive.google.com/file/d/0BxaMB7V7jSF9UWltZ1AtdlBkVkk/view?usp=sharing


Thanks for your atention.

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Hello again,

Unfortunately we were not able to reproduce your problem in-lab, but we still can try to resolve it. Could you please collect BOTH Process Monitor's and installation log? Please do the following:

  • run Process Monitor, enable events capture
  • start installation, reproduce the error
  • Save the log of events collected by Process Monitor (all events)
  • Provide both intallation and Process Monitor's logs (it is important to provide new installation log because of timestamps)

Thank you and sorry for inconvenience.


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Ok, I used the process monitor and loaded the files at Google drive.


So we now have the files:

For the first try wtht the message unable to start service, insuficient priviledges (but this is the administrator account).

MSI14859-First instalation try.LOG -  https://drive.google.com/file/d/0BxaMB7V7jSF9YUp5X3EyT2ZYbWc/view?usp=sharing

Process Logfile-First instalation try.PML - https://drive.google.com/file/d/0BxaMB7V7jSF9VGFxSG1yeF81c2s/view?usp=sharing


For the second try with message Driver kl1.sys_X64 could not be installed.

MSI67b79-Second instalation try.LOG - https://drive.google.com/file/d/0BxaMB7V7jSF9QktVRnlBY2hBMHc/view?usp=sharing

Process Logfile-Second instalation try.PML - https://drive.google.com/file/d/0BxaMB7V7jSF9dWlYcFlPN3pCV1E/view?usp=sharing


As I did not any changes in the configuration, I kept the same GSI file:https://drive.google.com/file/d/0BxaMB7V7jSF9UWltZ1AtdlBkVkk/view?usp=sharing

Wish that will help to discover the trouble.


Thanks for your time

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Thank you, but archive has 0 size. Please re-upload it.

P.S. Did you un-installed any orher Kaspersky product before installing Anti-Ransomware tool? If yes, did you rebooted PC after (twice)?


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Sergey, something i remember to cite, for sure this is not new to any anti-virus lab.

Here in Brazil to access bank online services, is needed to install a "protection tool", know as the GBPlugin..


The tool is produced by "Gas Informatica Ltda" and is done to protect bank users during online sessions.

The running process is gbpsv.exe (G-Buster Browser Defense - Service).

This plugin in the past became famous due causing all kind of strange troubles and incompatibilities with anti-virus and a lot of the most know softwares, from Ms-Office to Photoshop, DB servers, etc.

It even was reponsible for some Blue screen sometimes without any reason.

In the years it become more stable, but one and other time I see someone with strange behaviors, including not being able to enter at Facebook or Gmail, etc. A friend even was unable to install the Chrome browser and had to make a full reinstall in the PC and lose a lot of previous installed softwares.

And this plugin, is near impossible to remove because its own safety internal procedures.

So if you have similar problem with other brazilian users this is something to remember for a look.

Wish this helps someway.




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Hello Gilberto, unfortunately, bad news. This is compatibility issue - KART in not compatible with AVG products at the moment. If you need complex security solution WITH anti-ransomware feature you can try to use KIS which anready has all KART's functionality instead of AVG, or continue to use AVG as you did before.

For now, this compatibility issue cannot be resolved. May be things will change in the next version of KART.

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Ok Sergey.

I will a look on it.


As you already have got all log files, I will remove that from my Google Drive.



Edited by gilbertopb
Just a typo error.

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