Upd [2021]: Kaspersky Error Installing Driver Klim6sys X64

: Ensure all pending Windows Updates are installed, as missing root certificates can disrupt driver signing. Kaspersky Support Forum Step-by-Step Resolution Guide 1. Clean Removal of Previous Versions

This action removes competing network driver hooks and cleans the network stack. Install your Kaspersky product.

If found, delete these files (you may need administrator privileges to do so). kaspersky error installing driver klim6sys x64 upd

Press Windows Key + E to open File Explorer and navigate to C:\Windows\System32\drivers .

: This is a more involved solution. Restart your PC and enter the BIOS/UEFI settings (by pressing a key like Del , F2 , or F12 during startup). Find the Secure Boot option (usually under a "Boot" or "Security" tab), set it to "Disabled" , save your changes, and exit. Try your Kaspersky installation again. : Ensure all pending Windows Updates are installed,

Right-click the Kaspersky setup file (e.g., setup.exe or kaspersky4.exe ) → . Standard user accounts often lack permission to load kernel-mode drivers.

Press Win + S , type cmd , right-click , and select Run as administrator . Install your Kaspersky product

Another user on Reddit described a frustrating loop where they uninstalled Avast antivirus, deleted VMware, and even tried kavremover without success, eventually being driven to consider resetting their entire PC. Meanwhile, on a SonicWall knowledge base, they addressed a similar KLIM driver problem by identifying corruption in the catroot2 folder as a common cause on Windows 7 systems.