Download verified USB Token Drivers, Diagnostic Tools, and emSigner Utilities for Watchdata ProxKey, HyperPKI ePass 2003, mToken, and Capricorn across Windows 11, 10, Mac OS, and Linux.
Choose your token model to download the latest certified driver suite for your operating system.
Latest 2026 cryptographic driver suite for GST, Income Tax, MP Tenders, MCA V3 & ICEGATE. Built for Windows 11 & FIPS 140-2 Level 3.
(Note: "ePass 2003" is the hardware hardware chip model). Latest 2026 certified v3.0 PKI driver suite updated for Windows 11 & government portals (IREPS Railways, MP PWD & BHEL).
Certified token used by major Indian CAs including VSign, Capricorn, eMudhra, PantaSign, and Sify for Class 3 signing and encryption.
Dedicated PKI client suites for Capricorn F-Series, TrustKey T-110/T-120, and SafeNet eToken 5110 for bank and tax portals.
Official middleware utilities required to sign GST returns (GSTR-1, GSTR-3B) and MCA V3 company filing forms with your DSC token.
Is your old DSC token broken, expired, or locked right before an important tender deadline in Bhopal? We issue new Class 3 DSCs in 2 hours flat!
Exact step-by-step technical fixes used by Webdoid engineers to resolve portal errors on MP e-Tenders, GSTN, and MCA.
Why this happens: Google Chrome version 98+ introduced Private Network Access (PNA) security, which blocks websites on public domains (like mpeproc.gov.in or gst.gov.in) from communicating with your local USB token server at 127.0.0.1:1585.
Why this happens: Entering an incorrect PIN 5 times locks the hardware cryptographic chip permanently to protect against theft. Under Controller of Certifying Authorities (CCA) regulations, Admin PIN unblocking is disabled.
Why this happens: This error occurs on GST, Income Tax, or MP PWD tender portals when the emSigner service is blocked by a port conflict (another application using port 1585 or 8080) or when 64-bit Java is installed instead of 32-bit JRE.
Common queries regarding DSC USB token drivers and troubleshooting in Bhopal.
.pkg driver package and grant USB security permissions under System Settings ➔ Privacy & Security. Note that some older government portals like IREPS work best with Windows.