34 solutions found, page 2 of 2
0X8028004E This error means a TPM command ran outside an exclusive transport session. Usually a driver glitch or a leftover process. Quick reboot often kills it....
0X80280802 Your TPM is running its own health check and won't respond until it's done. Usually finishes in 30-90 seconds. If it's stuck, the fix is straightforwa...
0X80280401 Quick answer: Clear TPM via BIOS or reset via Windows. This error means Windows or an app requested a TPM handle that doesn't exist—often after a slee...
0X80290109 This error means your TPM rejected the authorization data. Usually it's a corrupted TPM state or a BIOS setting. Here's how to fix it fast....
0X00000434 Your boot config is stuck marking the current boot as last-known-good. No changes needed—this is cosmetic. Here's what's actually happening and how to...
0X80284007 This TPM error means your app sent bad data to the TBS layer. Usually a driver or BIOS settings issue. Fix is straightforward....
0X8028400E Buffer too large error from TPM Base Services. Usually means a corrupted TPM driver or a bad BIOS setting. Quick restart of TPM service fixes it most ...
0X8029020D This error means TBS (TPM Base Services) ran out of items in a list. Usually a registry permission or TPM driver glitch. Fix it in 3 steps....
0X8028400B The TBS service is stuck in a 'start pending' state, often from a corrupted TPM driver or BIOS settings. Here's how to fix it fast....
0X8028003C TPM says the NV area is locked and won't let you write. Happens after BIOS updates or failed TPM clear attempts. Here's how to unlock it....
0X80280007 Your TPM is disabled in BIOS or firmware. Most common fix: enable it in UEFI settings. Had a client whose Dell laptop threw this after a Windows updat...
0X8028000F Your TPM chip won't let you migrate keys—it's a common authentication hiccup. Here's the direct fix without the fluff....
0X80280009 TPM_E_FAIL means the TPM chip returned a generic error. Most times it's a sleep-state glitch or driver mismatch. Here's how to actually fix it....
0X80290204 TPM communication error 0x80290204 usually means the TBS service is stuck or TPM firmware is corrupted. Here's the real fix order – no fluff....