Windows 7 and classpnp. Hello Limbix. Thank you for your initial problem and the follow- up discussion on such a conundrum of a problem. As evidenced by the number of hits under Google for "Windows 7 boot sequence classpnp. OS. As. such, this is a ticking time bomb waiting for the most inopportune time to strike. Furthmore, this problem has been known since RC1 of Windows 7. The problem still persists and there is no known remediation method. KB 9. 25. 81. 0 is a unique solution when the OS is healthy.
When this phenomena occurs, KB 9. Laptop users and systems purchased from a vendor without a hardcopy of the OS media.
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For Home builts with a purchased hardcopy of the OS, KB 9. But the option is to reinstall as opposed to a repair. Using Ubuntu, to effect change by replacing CLASSPNP. SYS with a 6. 1. 7. In addition, the method of downloading any file is fraught with problems of possible infection or worse yet a trojan. This essentially. Option 2 and 4 as the SOP for this OS failure mode on laptops.
Problem: New Toshiba A5. Gig - Windows 7 Professional (Business)A series of three critical patches were deployed to this machine at 9: 3. Windows Update. At 6: 3. Starting Windows logo. Here were. Step 1. CTRL- ALT- DEL was used multiple times to restart the machine. Results: The machine did not restart.
Step 2. Power recycled the machine. Windows 7 offered to Launch Windows Repair on the OS. The repair was selected and completed with a request to restart. Results: The machine stops at the Starting Windows logo. Still stuck. Step 3.
Restarted the machine through a power recycle. Pressed F8, selected last known good and restarted. Results: The machine stops at the Starting Windows logo. Still stuck. Step 4. Restarted the machine through a power recycle.
Pressed F8, selected Advanced options. Results: No options were available. Step 5. Restarted the machine through a power recycle. Pressed F8, selected Boot loggin and restarted.
Results: The machine stops at the Starting Windows logo. Still stuck. Step 6.
Restarted the machine through a power recycle. Pressed F8, selected Safe Mode with Networking.
Results: The machine's last entry for the loading list was on. CLASSPNP. SYS and hung up. Step 7. Began researching for the Windows 7 boot loading list for the before and after sequences to see if CLASSPNP. SYS was the culprit. Results: Found this discussion and many more. Spent too much time researching for a solution. Most ended in silence.
Step 8. Considered taking the STATA drive and putting into an external enclosure. Results: Did not take this step as the machine is under warranty. It was purchased in April, 2. Step 9. Going back over the Google research, discussion. Forums/en- US/winservergen/thread/6. Moderator Tim Quan MSFT stating that"To obtain the phone numbers for specific technology request, please refer to the website listed below: http: //support. EN- US; PHONENUMBERS"This support site will take a user to a list of vendors.
The Toshiba link was selected. The link is the Toshiba home page.
The Support link was. Toshiba at 7: 3. 0 am on 5/2. A Toshiba case was opened. All 9 steps were presented to the support person and as directed the machine was put into a Factory reset mode. Results: The machine has completed rebuilding as of 1.
Windows update patching is continuing the assult to be "secure".Comments: One thing is certain, to be secure in one sense is have a machine in an inoperable state.However business cannot operate in an inoperable state. . Neither. can a business operate in an insecure state.So, to receive an OS patch which causes the machine to be inoperable, has the quest to be secure been reduced to inoperability?
Suggestion: This problem needs more eyes and a better tracking method. Windows 7 Update Error 0X800f081f . Is this a vendor issue, e.Motherboard, Memory, Hardware? 1a.Is this lot specific? 2a.Is there a driver mismatch?Is this a process/sequence issue?Is there a recovery process other than "Scorched earth"?
Sincerely,Johnrisc of KY.