- When your computer freezes or locks up at random.
When your computer crashes when you are running Windows Operating System.
If Code 45 pops up and causes a program to shutdown or your computer to crash.
Your computer is running slow, taking a long time to boot up, and you suspect Error 45 by Windows Operating System is the cause.
There are many reasons for a device manager error like Code 45 to occur. They usually happen when a particular hardware stops working. The reasons can be wrong configuration, an outdated driver, disabled device, corrupted device, etc. Sometimes, the issue can be resolved easily but other times you may need to replace the hardware. There may have also been an issue when you installed Windows Operating System.