When you open Task Manager, hundreds of Windows host process (Rundll32) processes may be running. While rundll32.exe, located in the “c:\windows\system32” folder, is a legitimate Windows file, you wonder why so many instances are running.
task manager
Task Manager Startup tab has two strange entries (a GUID and a number)
After installing or uninstalling a game app, two strange startup entries may appear in the Startup tab of Task Manager. One entry may be a random Globally Unique Identifier (GUID) string, and the other may be a number.Read more
Fix: Error 0x80070652 – Another installation is already in progress
When you install a software package that uses the Windows Installer technology, the error code 0x80070652 appears. The entire error message is below: Setup Failed 0x80070652 – Another installation is already in progress. Complete that installation before proceeding with this install. This error may occur even though no other installation windows are open. Cause The … Read more
What is “Mobile Devices” in Task Manager Startup tab
When you open Task Manager and click on the Startup tab, an entry named “Mobile Devices” may be seen. You wonder what this startup entry means and if it is safe to disable this entry.Read more
Task Manager text unreadable after installing KB5020044
After installing the KB5020044 update for Windows 11, Task Manager might display certain elements in the user interface (UI) in unexpected colors. On affected devices, Task Manager should function as expected, but some parts of the UI might not be readable. You might be affected by this issue if you have “Choose your mode” set … Read more
Restore the Old Task Manager in Windows 11
Windows 11 version 22H2 (and above) comes with a redesigned Task Manager. The new Task Manager has additional features, such as a new command bar, UI matching the system-wide theme, Efficiency mode to limit the resource usage of a process, etc.Read more
“PC-Doctor Module” High CPU, Memory, Disk Usage and Slowdown
Occasionally, your system may slow down to a crawl due to the PC-Doctor Module process that runs in the background. When this happens, it can take several seconds to open the Task Manager or any program.
The Task Manager may show that a process named PC-Doctor Module is occupying 100% of CPU and a very high amount of RAM. You may be wondering if PC-Doctor Module is a virus, Malware, or a PUA.Read more
What is Rundll32.exe process? Is it a Malware?
When you open Task Manager, you may see Rundll32.exe entry in the Processes tab. Or, you may also encounter a rundll32.exe error at every startup or during shutdown. Many users are wondering if rundll32.exe is a virus. If not, what exactly does rundll32.exe do in the system?
Find Which Program is Constantly Reading or Writing to Disk
Does your hard drive LED in the computer’s chassis show non-stop disk input or output activity? If the I/O operations occur at an alarming rate, sometimes even at 100% disk usage, find the process and stop it from running, especially if you’re using Solid State Drive. If you’re wondering which process is thrashing your hard drive continuously, here is how to find the offending program.
How to Remove Invalid Entries from Task Manager Startup tab
Managing startup entries was possible using the System Configuration Utility (msconfig.exe), in Windows 7 and earlier. This functionality is now provided by the Task Manager in Windows 8, Windows 10, and Windows 11, which features a new “Startup” tab that lists all auto-start entries in the system.