6/24/2018 +940 new drivers.
Krt A21 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Krt A21
Certifications for Krt A21
5 stars for Krt A21 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2016
Our main support OS are: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit, Windows 10 32 bit, and Windows 8.

Krt A21 Driver Download

Windows Compatibility for Krt A21 driver

Krt A21 Driver Details:

Krt A21 File Name:

Krt A21 Driver Version: 745v1VPw

Krt A21 ZIP Size: 133.kb

Manufacturer: Krt

Krt A21 was fully scanned at: 6/18/2018
Scan Status: driver download scanOK

Krt A21 now has a special edition for these Windows versions: Windows 7, Windows 7 64 bit, Windows 7 32 bit, Windows 10, Windows 10 64 bit,, Windows 10 32 bit, Windows 8, Windows 8 32bit, Windows 7 Ultimate 64bit, Windows 7 Home Premium 32bit, Windows 10 Pro 64bit, Windows 7 Service Pack 1 (Microsoft Windows NT) 32bit, Windows 10 Home 64bit, Windows 8 Enterprise 64bit, Windows 10 Enterprise 64bit, Windows XP Home Edition, for home desktops and laptops 32bit, Windows 10 S 32bit,

Krt A21 Download Stats:

Driver Uploaded: 3/11/2018

Direct Downloads: 415
Most Recent Download: 4/25/2018
Managed Downloads: 7391
Most Recent Download: 4/26/2018
Download Mirrors: 4
Current Delay: 21 Seconds
Driver License: GNU

Direct Download Success Stats:

Reports Issued By 365/415 Users

Success Reported By 50/365 Users

Driver Download Score67/100

Driver Installation Score64/100

Overall preformance Score69/100

Krt A21 28 Thumbs Up28Thumbs
Krt A21 7 Thumbs Down7Thumbs
Krt A21 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 6119/7391 Users

Success Reported By 4871/6119 Users

Driver Download Score95/100

Driver Installation Score99/100

Overall preformance Score94/100

Krt A21 4858 Thumbs Up4858Thumbs
Krt A21 95 Thumbs Down95Thumbs
Krt A21 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Krt A21 is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Krt A21 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Krt A21, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Other drivers most commonly associated with Krt A21 problems:

Krt A21 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Krt A21 disfunctions.

Scan performed on 4/24/2017, Computer: Fujitsu MS-6318 - Windows 7 64 bit

Outdated or Corrupted drivers:6/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) Xeon(R) E5 v2/Core i7 IIO RAS - 0E2AUp To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB IntelliMouseUp To Date and Functioning
Dell HID-compliant mouseUp To Date and Functioning
Synaptics Synaptics Composite USB HID DeviceOutdated
Usb Devices
Option nv Standard Enhanced PCI to USB Host ControllerUp To Date and Functioning
Sound Cards And Media Devices
YUAN DIB7700 DTV TunerUp To Date and Functioning
Motorola Motorola Messenger Modem Audio DeviceUp To Date and Functioning
Network Cards
Cologne Chip AG, Billion Electric Network ControllerUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
USB Compliance USB Optical Storage DeviceUp To Date and Functioning
Texas Instruments MasselagringskontrollerUp To Date and Functioning
Point Grey Research Texas Instruments OHCI Compliant IEEE 1394 Host ControllerOutdated
UPEK TouchChip Fingerprint CoprocessorUp To Date and Functioning
Google USB Composite DeviceOutdated
Cameras, Webcams And Scanners
Sonix USB Video DeviceOutdated
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
Logitech Logitech Wheel Mouse (USB)Corrupted By Krt A21
Port Devices
Microsoft Communications Port (COM1)Corrupted By Krt A21
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/25/2018, Computer: HP VT557AA-ABG 600-1150a - Windows 7 32 bit

Outdated or Corrupted drivers:7/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) E7220/E7221 Memory Controller Hub - 2588Corrupted By Krt A21
Mice And Touchpads
A4Tech USB Browser MouseUp To Date and Functioning
Usb Devices
Hewlett-Packard Officejet 4500 G510g-m (DOT4USB)Outdated
Hewlett-Packard psc 2170 (DOT4USB)Up To Date and Functioning
Sound Cards And Media Devices
YUAN DIB7700 DTV TunerCorrupted By Krt A21
AVerMedia AVerMedia M791 PCIe Combo NTSC/ATSCCorrupted By Krt A21
Network Cards
ADMtek Adaptadores basados en Ethernet ADMtek AN983Up To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
VIA VIA Bus Master IDE-controllerUp To Date and Functioning
Broadcom Broadcom Bluetooth 4.0Up To Date and Functioning
PACE Anti-Piracy USB iLok DriverUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 4Up To Date and Functioning
NEC Generic CardBus ControllerOutdated
Toshiba Toshiba Secure Digital-HostcontrollerUp To Date and Functioning
ULi Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CDOutdated
Cameras, Webcams And Scanners
Brother Brother DCP-115C USBUp To Date and Functioning
Video Cards
ATI ATI MOBILITY RADEON 9600/9700 SeriesUp To Date and Functioning
Input Devices
Logitech Logitech Wheel Mouse (USB)Up To Date and Functioning
Port Devices
PROLiNK PROLiNK UI AT Interface (COM7)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By Krt A21
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOSOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Krt A21 P821.178For Windows 7 32 bit10/9/201412/28/2016all_drivers-p821.178.exe114kbMCJ MCJ, HP HP 655 Not3book PC, Sony VGN-TZ47FN, ECS HDC-I, Zoostorm 7876-0310B, Pegatron C17B, NEC PC-MJ18XAZEZXS9, Acer Veriton M688G, Olidata OLIDATA, and more.
Krt A21 1.132.177For Windows 7 64 bit9/19/201412/28/2016all_drivers-1.132.177.exe165kbHP BK175AA-ABA HPE-270f, Compaq ER100AA-ABA SR1625NX NA541, IBM System x3200 M3 -[7327Z29, HP HP EliteBook 6930p, Sony VPCF1290X, Fujitsu PRIMERGY TX140 S1, LG C400-G.BC25P1, HP HPE-430it, Gateway 7310MC, Toshiba PORTEGE R600, HP KT334AAR-ABA m8530f, ASUS L8400F series Notebook PC, Sony SVE15138CGS, and more.
Krt A21 V40998For Windows 78/29/201412/27/2016all_drivers-v40998.exe60kbGateway P-6317 HSN, Panasonic CF-SX2JE4DS, NEC PC-VY16AEDERFW1, Toshiba SATELLITE PRO L870-179, HP HP Compaq 8710w, Sony VGN-FW180FU, HP HP ENVY 17 3D Notebook PC, ASUS K84L, Toshiba Dynabook EX/66MWHS, and more.
Krt A21 Windows 101/20/201512/29/2016vvbl- GIADA, IBM 2672M3G, Packard Bell PACKARD BELL F806, NEC PC-LS350LS1YG, and more.
Krt A21 Q1.122.107For Windows 10 64 bit9/12/201412/27/2016-q1.122.107.exe81kbLG S1-P655R1, Panasonic CF-30CCQCZBM, Dell S5400SF, HP HP ENVY13 Notebook PC, Compaq RZ569AA-ABZ SR5039IT, IBM 265244G, and more.
Krt A21 81.1393For Windows 7 32 bit1/14/201512/27/2016all_drivers-81.1393.exe129kbHP PS303AA-ABH, Intel D2500CC, Acer NC-V5-571P-53338G75MASS, HP HP Pavilion dv1000, Packard Bell IMEDIA B2501 BE, and more.
Krt A21 40221.1For Windows 7 64 bit11/14/201412/27/2016all_drivers-40221.1.exe25kbIBM System x3630 M3 -[7377AC1, Sony VGN-CS62JB_R, Sony PCG-K35, HP Compaq Presario Notebook PC, Sony VGN-FW26T_B, HP LX909ES#ABZ, HP FR598AA-ABE IQ512es, Compaq DW212A-UUW S6100ND SC410, and more.
Krt A21 Windows 71/10/201512/27/2016- VPCF128FJ, SIE 840_P3, HP HP Pavilion TS 10 Notebook PC, HP RF759AA-ABF s7640.f, and more.
Krt A21 K432.128For Windows 1011/25/201412/28/2016itorycy-k432.128.exe98kbToshiba Dynabook CX/45AB, Fujitsu FMVLX70WDJ, Sony VGN-SZ1XP, IBM System x3650 M4 : -[7915E3G, Dell Vostro 5470, IBM 8315B1U, HP EP127AA-ABD a123l, and more.
Krt A21 20247For Windows 10 64 bit2/6/201512/29/2016lwa-20247.exe163kbSony VPCF13S0E, Gateway FX7026, HP RZ412AA-ABZ, Sony VPCEA1S1R, ASUS CG5290, Lenovo ThinkCentre M92p, LG R380-A.APC4BA3, Compaq PX629AA-ABU SR1429UK GB520, NT Computer ACCENT Q 6600/501, Packard Bell IMEDIA H5689, Packard Bell EasyNote TK36, IBM 8184LG1, and more.
Krt A21 60884For Windows 89/22/201412/29/2016all_drivers-60884.exe141kbSAMSUN R710, Haier T5B, Toshiba Dynabook AX/3527CMSB, Compaq PJ536AA-ABA SR1265CL NA441, MiTAC 9525, Toshiba Satellite S50-A0317, Sony SVT21219DJB, Lenovo ThinkCentre A63, Sony VGN-TZ33_B, Compaq PX631AA-ABU SR1440UK GB520, ASUS G750JW, and more.
Krt A21 42602.1For Windows 7 32 bit12/4/201412/29/2016all_drivers-42602.1.exe98kbHP KT334AAR-ABA m8530f, ASUS L8400F series Notebook PC, Sony SVE15138CGS, Sony VGN-Z21WN_B, HP RZ433AA-ABV, Compaq DA309A-B14 6540. BE910, and more.
Krt A21 O321.12.14For Windows 7 64 bit10/29/201412/29/2016all_drivers-o321.12.14.exe112kbHP RY873AAR-ABA a6028x, Sony VGN-SR190P, NEC PC-VJ25AEZ78, Samsung 305E4A/305E5A/305E7A, IBM 2656D7G, HP HP PAVILION DV9000 KP950EA#ABF, Fujitsu FMVFER, and more.
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Krt A21 model.
Laptop Krt A21Tablet Krt A21Download Krt A21Upgrade Krt A21Update Krt A212018 Krt A21Free Krt A21Data Krt A21Info Krt A21Help Krt A21Guide Krt A21Comments Krt A21Windows 10 Krt A21Vista Krt A21Windows 7 Krt A21Install Krt A21