Common problems with Windows 8 include a missing start menu, crashing of Windows Explorer, slow processor performance, backing up of unchanged newer files, failure to go to sleep and a blank explorer.exe window appearing on boot. Other problems include driver problems, activation failure and programs displaying blurred texts.
A missing start menu in Windows 8 is caused by its inbuilt interface, which requires rebooting from the desktop to restore the start features. A bug in the operating system, installed software or hardware driver causes Explore.exe crashes. There is a repeated "Windows Explorer has stopped working" message after every few minutes. Backing up new files that have not changed also fills the backup drive with redundant files.
Consumption of processor cycles by svchost.exe causes slow processor performance. The problem is also caused by malware that disguises itself using svchost.exe. When the Windows universal plug-and-play service gets out of hand, it slows the processor by exhausting all scan resources. Triggering a wake command by devices causes PC failure to go to sleep mode.
An erroneous Load value in the registry causes the appearance of a blank Explorer.exe window on boot in Windows 8. A blue screen results from crashing of drivers and erroneous dumping of files. A stuck or illegitimate verification key causes activation failures in Windows 8. Use of old software that has lower resolution causes blurry appearance of program texts.