Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: trust_e_nosignature 0x800b0100 windows 7

27 Jan 2013   #1

Windows 7 Home Premium x64
trust_e_nosignature 0x800b0100 windows 7

Just re-installed Windows 7 after a hard drive failure. Windows 7 x64 Home premium . 2.4 Ghz Processor 4GB RAM .

Cannot Install SP1. I dont know what i am doing wrong . Please Advice/Help.

My System SpecsSystem Spec
27 Jan 2013   #2
Microsoft MVP

Windows 7 Ultimate 32bit SP1

My System SpecsSystem Spec
27 Jan 2013   #3

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10

Please follow the Windows Update Posting Instructions and post the requested data.
My System SpecsSystem Spec


 trust_e_nosignature 0x800b0100 windows 7

Thread Tools

Similar help and support threads
Thread Forum
Unable to update to Windows 7 SP1. TRUST_E_NOSIGNATURE (0x800b0100)
Hi All, I just joined. :party: After trying almost every method listed on the Internet, I give up trying to install Windows 7 SP1. Here's what I've done so far: -I've run sfc /scannow and it came back OK. -Turned off all AV, Malware, Firewalls.
Windows Updates & Activation
Windows 7:can't install SP1 x64. Error:TRUST_E_NOSIGNATURE(0x800b0100)
Hi, Each time I try to update my Windows 7 to sp1, I get this error: TRUST_E_NOSIGNATURE(0x800b0100) I have tried to run the System Update Readiness Tool and logfile reports these missing manifest and mum files, that I don't know where to find. Does anyone know a website where I can...
Windows Updates & Activation
Windows 7 - SP 1 Install Error: Trust_E_NOSIGNATURE(0x800b0100)
Have tried unsuccessfully to install SP1 for Windows 7 x64 system on my PC on numerous occasions. Decided to try and solve problem once and for all and have scoured the forum which appears to have offered helpful advice to other people with similar difficulties. I have downloaded and installed...
Windows Updates & Activation
TRUST_E_NOSIGNATURE(0x800b0100) windows 7 sp1 install failed
I have been receiving this error message every time I attempt to install new updates. I randomly get the 8024200D error code as well. I have ran the SFC /SCANNOW command and there were no files found during the scan. I have disabled my firewall and anti virus and tried installing the updates. I...
Windows Updates & Activation
Windows 7 - Service Pack 1 Error: Trust_E_NOSIGNATURE(0x800b0100)
Hello everyone, Cannot install SP1 for Windows 7 no matter what I tried. Not sure what files I need to restore CBS catalog, Need help. I attached CheckSUR.log Thanks everyone for the help.
Windows Updates & Activation

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 21:34.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App