Cybersecurity & Malware

0xc0000350

Fix 0xc0000350: Credential Guard blocks Kerberos after Hyper-V

Windows Credential Guard blocks Kerberos auth after enabling Hyper-V. Three fixes, from quick regist...

Intermediate 👁 54 May 31, 2026

0X000020A1

Fix ERROR_DS_SEC_DESC_TOO_SHORT (0x000020A1) Fast

This error means a security descriptor in Active Directory is corrupt or too short. The fix is to de...

Intermediate 👁 45 May 30, 2026

0XC0000401

STATUS_PER_USER_TRUST_QUOTA_EXCEEDED (0XC0000401) Quick Fix

Your user trust quota got hit — basically AD says you've created too many trusts. The fix is to bump...

Intermediate 👁 44 May 29, 2026

SMB Signing Not Required

Fix SMB Signing Not Required Vulnerability on Domain Controllers

This vulnerability means clients can talk to your DC without signing packets. The fix is a GPO tweak...

Intermediate 👁 53 May 29, 2026

0X000006FA

Fix ERROR_NO_TRUST_LSA_SECRET (0X000006FA) on Windows Domain

This error means your PC lost its trust relationship with the domain. I'll walk you through resettin...

Intermediate 👁 60 May 29, 2026

Facebook account hacked with 2FA on — what broke and how to fix it

Two-factor authentication doesn't stop session hijacking or recovery email exploits. Here's the real...

Intermediate 👁 973 May 29, 2026

Stop Chrome pop-up ads: adware removal guide (2025)

Chrome keeps showing pop-up ads? It's usually push notification spam or a browser hijacker. Here's h...

Intermediate 👁 123 May 29, 2026

0X00001785

Fix ERROR_CS_ENCRYPTION_FILE_NOT_CSE (0X00001785) Fast

This error means Windows couldn't encrypt a file because it's not marked for encryption under Contro...

Intermediate 👁 44 May 29, 2026

0XC000041A

STATUS_DS_DOMAIN_NAME_EXISTS_IN_FOREST Fix: 0xC000041A

This error means the domain name you're trying to trust already exists somewhere in the forest. Usua...

Intermediate 👁 55 May 29, 2026

0XC000042D

STATUS_NO_SECURITY_CONTEXT (0XC000042D) – Real Fix for a Tricky Security Error

This error hits when Windows can't verify a process's security token—usually after a dodgy driver in...

Intermediate 👁 75 May 29, 2026

Kill Locky ransomware and recover your files

Locky encrypts your files and demands a ransom. Here's how to remove it and try to get your data bac...

Intermediate 👁 66 May 29, 2026

0X80090018

Fix NTE_PROV_TYPE_ENTRY_BAD (0X80090018) in 3 Steps

This error means Windows can't read a registered cryptographic provider. Usually from a corrupted CN...

Intermediate 👁 46 May 29, 2026

0X0000177D

EFS Blob Too Big: Fix ERROR_EFS_ALG_BLOB_TOO_BIG (0X0000177D)

This error hits when Windows Encrypting File System can't store a key blob—usually during backup or ...

Intermediate 👁 41 May 29, 2026

0XC0000403

Fix STATUS_USER_DELETE_TRUST_QUOTA_EXCEEDED (0xC0000403)

This error means you've hit a hidden limit on deleting trust relationships in Active Directory. Here...

Intermediate 👁 54 May 29, 2026

0X80090303

Fix SEC_E_TARGET_UNKNOWN (0x80090303) Fast

SEC_E_TARGET_UNKNOWN means Kerberos can't find the server you're trying to reach. Here's how to fix ...

Intermediate 👁 60 May 29, 2026

0X000000E2

ERROR_VIRUS_DELETED (0x000000E2) Fix – File Blocked by Security

Windows blocks a file it thinks has a virus. Common cause: overactive antivirus or corrupted system ...

Intermediate 👁 54 May 29, 2026

0x000000EF

Fix 0x000000EF BSOD after KB5003214 PrintNightmare patch

KB5003214 broke the Print Spooler service for some systems, causing a Critical Process Died crash. T...

Intermediate 👁 43 May 29, 2026

0x8031004B

BitLocker asks for recovery key after TPM firmware update — fix for error 0x8031004B

This fix stops BitLocker from prompting for a recovery key after a TPM firmware update. You suspend ...

Intermediate 👁 65 May 29, 2026

0X00002149

Fix ERROR_DS_HAVE_PRIMARY_MEMBERS (0X00002149) in AD

This error pops up when you try to convert a security group with primary members to a distribution g...

Intermediate 👁 47 May 29, 2026

Ransomware in progress: Isolate infected machines now

Ransomware spreading? Cut the network cable first, then disable SMB and RDP. These three steps stop ...

Intermediate 👁 47 May 29, 2026

CryptoLocker Ransomware: Files Encrypted, Bitcoin Demanded

CryptoLocker encrypts your files and demands Bitcoin. The real fix is restoring from backup — paying...

Intermediate 👁 58 May 29, 2026

0X80010124

Fix CO_E_FAILEDTOGETSECCTX (0x80010124) Security Context Error

This DCOM error usually means a user account or permission issue in the Component Services. Here's h...

Intermediate 👁 40 May 29, 2026

Mimikatz credential dumping: detect and stop it fast

Mimikatz dumps passwords from LSASS memory — here's how to detect it and lock it down. Three fixes, ...

Intermediate 👁 46 May 29, 2026

0X8010006A

Fix SCARD_W_SECURITY_VIOLATION (0X8010006A) Fast

Security violation when accessing a smart card. Usually a driver or reader issue. Here's how I fix i...

Intermediate 👁 46 May 29, 2026