Cybersecurity & Malware

Malware removal, firewall rules, ransomware recovery, CVE patches.

660 solutionsPage 17 of 28
Sort by: Newest Most Viewed A-Z
ERROR_ACCESS_DENIED

Fix 'Access Denied' on encrypted files after ransomware attack

Ransomware scrambled your files AND their permissions. Here's how to regain access without paying cr...

Intermediate 12 views May 28, 2026
0X00000548

Fixing ERROR_INVALID_SERVER_STATE (0x00000548) on Windows Server

This error hits when Windows Server refuses a licensing or service state change. Usually tied to RDS...

Intermediate 13 views May 28, 2026
0XC000038D

Fix STATUS_SMARTCARD_CERT_EXPIRED (0xC000038D) - expired smart card cert

Your smart card cert expired. Renew it or check the system clock. Also make sure the CA cert chain's...

Intermediate 10 views May 28, 2026
0X800B0101

Fix CERT_E_EXPIRED (0x800B0101) – 3 Steps That Actually Work

This error means a certificate has expired. We'll show you how to fix it fast: check your clock, cle...

Beginner 16 views May 28, 2026

Files locked by ransomware demanding Bitcoin? Here's your fix

Ransomware encrypts your files and demands cryptocurrency payment. Start with the quickest fix—resto...

Intermediate 12 views May 28, 2026
0X80092006

CRYPT_E_NO_PROVIDER (0x80092006) fix: No provider specified

This error means Windows' cryptographic system can't find the right provider. The quick fix is to re...

Intermediate 11 views May 28, 2026
0X00003618

IKE peer CRL check failed (0x00003618) – 3 fixes

Your VPN connection dropped because Windows can't verify the server's certificate revocation list. T...

Intermediate 11 views May 28, 2026

Ransomware still encrypts files even with backups connected

You backed up your files, but ransomware encrypts them anyway because your backup drive was connecte...

Intermediate 18 views May 28, 2026
0X80092001

Fix CRYPT_E_BAD_LEN (0x80092001) in 3 Steps

Short data buffer error from Windows CryptoAPI. Hit this mostly with certificate operations or Outlo...

Beginner 14 views May 28, 2026
0X80094007

CERTSRV_E_ENCODING_LENGTH 0X80094007: Fix in 3 Steps

This error hits when a certificate request has a value (like SAN) that's too long for Windows CA to ...

Intermediate 11 views May 28, 2026
0X00000543

Fixing ERROR_CANT_OPEN_ANONYMOUS (0x543) on Windows

You get this error when a process tries to open an anonymous security token and can't. It's almost a...

Intermediate 11 views May 28, 2026
0X8009202A

Fix CRYPT_E_NOT_IN_CTL (0X8009202A) - Certificate Trust List Error

This error means Windows can't find a certificate in its trust list. Usually happens after a failed ...

Intermediate 10 views May 28, 2026
0XC00D28B1

Fix NS_E_DRM_INVALID_CRL Error 0XC00D28B1 Fast

This error means Windows Media Player can't play protected content because its certificate revocatio...

Intermediate 13 views May 28, 2026

ZIP malware bypasses Windows Defender via native extraction

Windows Defender sometimes misses malware in ZIPs extracted via File Explorer. The built-in extracti...

Intermediate 16 views May 28, 2026
0X80090013

NTE_BAD_PROVIDER (0x80090013) – Invalid Provider Specified Fix

Windows cryptographic error when the system can't load an expected key storage provider. Usually tri...

Intermediate 12 views May 28, 2026
0XC00002E0

Stop 0xC00002E0: SAM Needs Boot Key Floppy — Fix It

Your PC boots to a blue screen saying the SAM needs a floppy disk boot key. The fix is to disable SY...

Intermediate 13 views May 28, 2026
0X8009202B

Fix CRYPT_E_NO_TRUSTED_SIGNER (0x8009202B) Fast

This error means Windows doesn't trust the signer on a file or update. We'll walk through fixes from...

Intermediate 11 views May 28, 2026
0X80092022

Fix CRYPT_E_INVALID_IA5_STRING (0x80092022) in 3 Steps

This error means a certificate or file path has non-ASCII characters. Try the quick date fix first, ...

Intermediate 12 views May 28, 2026
0X80091004

CRYPT_E_INVALID_MSG_TYPE (0X80091004) Quick Fix

This error means Windows can't decode a certificate or signed file. The fix is usually clearing the ...

Intermediate 15 views May 28, 2026
0XC00D11E3

Fix NS_E_WMP_DRM_NO_DEVICE_CERT (0XC00D11E3) on Windows

Windows Media Player can't read DRM-protected files because the device certificate is missing or cor...

Intermediate 11 views May 28, 2026
0X800B0114

CERT_E_INVALID_NAME (0x800B0114) – The Real Fix

That certificate name mismatch error is infuriating. Here's the exact fix and why it happens....

Intermediate 13 views May 28, 2026
0X000020DD

Fixing Active Directory error 0X000020DD when joining a domain

This error pops up when a domain join fails due to a security check mismatch. It's almost always a t...

Intermediate 13 views May 28, 2026
0X8031002C

BitLocker FVE_E_POLICY_PASSWORD_REQUIRED (0x8031002C) fix

Group policy won't let you start BitLocker without a recovery password. The fix is changing one GPO ...

Intermediate 34 views May 28, 2026
0X80092004

Fix CRYPT_E_NOT_FOUND (0x80092004) — Object or Property Missing

This error means Windows can't find a cryptographic object or property. It usually pops up in certif...

Intermediate 18 views May 28, 2026