The OneNote utility uses a cache to temporarily store important data. This cache holds notes, drawings and other information before it is saved. The cache storage area can become corrupted after long term use, or if your hard drive is almost full. You can use OneNote's Safe Boot mode to clear the cache and delete the existing settings. This enables you to continue using the software without further errors.
Step 1
Move the mouse cursor to the lower left corner of the screen to reveal the desktop shortcuts menu. Click "Run." You can also press the "Windows-R" key combination to reveal this dialog box. Type "onenote /safeboot" without quotation marks, and press "Enter." This command launches OneNote in safe boot mode, which enables you to change the software settings.
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Step 2
Click the "Clear Cache" button to delete the OneNote cache. This deletes the existing cache file, and creates a fresh cache in its place.
Step 3
Press "Delete Settings" if you want to also delete any program preferences. This returns OneNote to its default settings. You do not need to delete the settings to clear the cache, but this may help reduce errors with the program.
Step 4
Close the dialog box. Launch the "Run" dialong box again. Move the mouse cursor to the lower left corner of the screen to reveal the desktop shortcuts menu. Click "Run," or press "Windows-R." Type "onenote /safeboot" without quotation marks, then press "Enter."
Step 5
Click "Start Normally" to launch OneNote with a fresh cache. The program reloads, and you can continue using it normally. The cache file now takes less size, and the program should run more smoothly.