System Interrupts at 100 Percent? Check Your Devices
System Interrupts using high CPU? It is hardware calling the processor. Unplug USB devices one by one, turn off audio enhancements, and update chipset drivers.
Informational
Push Notifications Service Hogging RAM? Rename a Folder
Windows Push Notifications User Service using gigabytes of memory? A damaged notifications database is the usual cause. Rename the Notifications folder from Safe Mode.
Spooler SubSystem App High CPU? Clear the Print Queue
Spooler SubSystem App eating the CPU with nothing printing? Clear the print queue, then check label printer software like DYMO Connect and scheduled programs.
Microsoft Compatibility Telemetry High CPU? Mind the Cost
Microsoft Compatibility Telemetry using your CPU or disk? A minute after startup is normal. Disabling the appraiser task stops it, but it can block feature updates.
YouTube Opens Straight Into Shorts? Toggle Experiments
YouTube app starting on a Short every time you open it? It is a test on your account. Two Premium owners stopped it by toggling experimental features.
Windows Modules Installer Worker High CPU? Let It Finish
Windows Modules Installer Worker eating your CPU? It is the update installer. Restart when Windows Update asks, check the Setup log, then run the troubleshooter.
WMI Provider Host High CPU? Find the App Asking It
WMI Provider Host using high CPU? It answers other programs. The WMI-Activity log names the one asking, and owners found Xbox controllers and drivers behind it.
Voicemail Audio Missing in Classic Outlook? Update to 2609
Voicemail MP3 or WAV not showing in classic Outlook? Microsoft says build 20430 and later fix it. Update to Version 2609, or forward old voicemails to yourself.
Ctrl+J Does Nothing in Chrome? Turn Off the Trial
Ctrl+J and Downloads in the Chrome menu doing nothing on Chrome 154? An owner fixed it by starting Chrome with two trial features off. chrome://downloads still works.
Ask Gemini in Chrome’s Right-Click Menu? Turn It Off
Ask Gemini in Chrome’s right-click menu with no setting to remove it? Disable the glic flag for now, or set Google’s GeminiSettings policy to 1.