How to Solve a Blue Screen Caused by an Invalid Registry

How to Solve a Blue Screen Caused by an Invalid Registry

An invalid registry always makes abnormal system booting or operation. What's more serious is that it can create a blue screen caused by wrong Point-to-File.

A living example: the registry is modified without authorization. (Including artificial modification and auto-replacement) Its phenomenon appears as a blue screen when you start the computer or call a program. And then the screen displays an error message. (Including wrong filename)

Solution 1: Recover the backups.

(1) Click "Start / power off/ restart", switch to MS-DOS model and then click "OK".

(2) Enter the Windows catalog. For example, if your Windows is under the catalog C Windows, you should type CDCWINDOWS and enter.

(3) Input SCANREGRESTORE and enter.

(4) On the base of the above steps you can recover the registry to the lastest time you start the computer.

Solution 2: Delete the key assignment.

If the blue screen happens after you uninstall a certain application. We could conclude that this breakdown is caused by faulty uninstall. It is very simple to solve this problem. First you should remember the wrong filename and then find out the branch "HKEY_LOCAL_MACHINESystemCurrentControlSetServicesVxD" in the registry. Input the filename at the "search" box and delete the detected key assignment. Don't forget to backup the registry!

Model case: My computer appeared a blue screen when I uninstalled the Kingsoft AntiVirus. The blue screen following an error message happened once I saw the desktop icon after reset. The error message referred to a missing file Kavkrnl.vxd. I think it's a Point-to-File error and decided to delete its corresponding key assignment. After a reboot, the computer breakdown was finally solved.

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