Driver Warning for "[NotifyDriver] Failed to deliver keydown event to the driver"
You may receive the following error message from GuardedID after updating your PC to Windows 10 Version 1809 (released October 2nd, 2018): " [NotifyDriver] Failed to deliver keydown event to the driver -> ERROR 6: The handle is invalid. " If you are receiving this error message, right-click the GuardedID ta…
Driver Warning for an unknown driver and unknown source
Find the driver file in %systemroot%\system32\drivers (usually with a “.sys” suffix. e.g. \Driver\Ps2 = Ps2.sys), scan it with your anti-virus program and research it on the internet with sites like Virus Total.
Driver Warning for an unsigned driver from a valid source
Older or special Windows XP keyboard Drivers might not be signed. This applies to some versions of \Driver\Ps2, \Driver\Ps2Led, \Driver\qkbfiltr, \Driver\PCTCore, \Driver\hask, and \Driver\HpqKbFiltr. Others are specialty devices for gaming, etc. Find the driver file in %systemroot%\system32\drivers (usually with a …
When I started my computer I received a warning that an untrusted driver was detected. What should I do?
GuardedID® uses the Windows driver signatures to be certain that your kernel is intact. If this message is reported for a Microsoft driver like “i8042prt.sys” for Windows 7, the issue is likely due to Microsoft update KB3004394. Copy and paste into the address bar of this browser for more information. Otherwise a…
I received a “GuardedID® keyboard driver is not responding” warning. What should I do?
GuardedID® constantly verifies that its kernel driver is secure. Under some conditions, legitimate Windows programs might block this verification. If you type 10 characters and GuardedID® cannot verify, it will issue this warning. The recommended solution is to reboot. If that is not practical, “warm restart” your c…
Driver Warning for \Driver\i8042prt or \Driver\kbdhid on Windows XP
Usually indicates that Windows Crypto service has been disabled in some way. The Microsoft Crytographic Services are important for protecting your computer security. The “Resolution” section of the following Microsoft article has the steps that usually help to resolve the problem with cryptographic services which ca…
Driver Warning for \Driver\DKbFltr on computers with Windows 7 64-bit
Check your computer for the following conditions: * In the folder [C:\WINDOWS\system32\drivers\] the file “DKbFltr.sys” shows 0kb in size. * In the 64-bit folder [C:\WINDOWS\sysWOW64\drivers\], there is a “DKbFltr.sys” and its size is ~25kb, and it is properly signed (view its properties) If this is the case, dele…
