135 solutions found, page 1 of 7
0X00002021 This AD replication error means something's corrupt in the protocol. Usually a bad domain controller, a time sync issue, or a lingering object. Here's...
0XC00D1209 Windows Media Player can't grab DRM licenses for protected media. Usually a clock mismatch or corrupted DRM store....
0X00000549 This error hits when a domain controller or member server tries a security operation on a domain that's in the wrong state. Usually during demotion or...
Error Code -50 / 'app is damaged' / 'app is from an unidentified developer' Your Mac says an app is damaged or can't be opened. Usually it's a quarantine flag, not actual corruption. Here's how to fix it....
0X80110605 This error strikes when your queued component app rejects an unauthenticated message. The fix is to align COM+ security settings with your app's authe...
0X8004D100 This error means the MSDTC transaction coordinator blocked your connection. It's usually a firewall or authentication issue. Here's the real fix....
0XC0000070 This error means the user account is locked out of logging on from that specific PC. The fix is almost always in Active Directory or the local securit...
0X8028005C This error kills BitLocker or TPM operations. Here's how to fix it in three steps, from quick to thorough....
0X00002649 This error means a secure DNS update isn't finished yet. Your computer started the update but the server said 'keep going.' Here's how to finish it....
0XC0000104 This error means Windows thinks your logon session is stale. We'll fix it in three steps: logoff/reboot, clear cached credentials, then nuke the stuck...
0XC0020051 This error means a remote procedure call (RPC) connection lacks required info. Usually a network or auth config issue. Start with a quick ping, then c...
SSL certificate problem: self signed certificate Git fails to connect to a remote repository due to a self-signed SSL certificate. This guide explains how to safely bypass or trust the certificate fo...
0X00000437 This error means Windows can't start a service because the service account credentials don't match the stored password. Here's the fix....
0X00090320 This error means Windows couldn't finish validating your credentials. The quick fix is clearing cached credentials or resetting the network adapter....
0X80004033 Com error caused by a bad SPN in Kerberos. Usually from a misconfigured service account or DNS mismatch. Quick fix: delete and re-register the SPN....
0XC0000193 Logins fail with this error when a domain or local user account has passed its expiration date. The fix is to extend or remove the expiration in Activ...
0XC000035C Happens when Windows deletes your cached SMB session credentials and can't re-authenticate silently. The fix is forcing a new session or adjusting cre...
EC2 instance won't stop or terminate? 99% of the time it's a failed state transition. Force stop via CLI or AWS console....
0XC000018C This error kills domain trust for a machine. Start with a quick rejoin fix, then check DNS and secure channel. No need to rebuild the whole domain....
0X0000216A This error means the SPN couldn't be built because the host name has a bad format. The fix is to check the servicePrincipalName attribute and fix the ...