When you enable the "Always search file names and contents" feature in Windows Search, it can sometimes lead to excessive disk usage during indexing. This behavior is usually caused by the indexing service scanning and trying to index an enormous amount of files and contents on your C drive, which can lead to a rapid consumption of disk space. Here are some steps you can take to address this issue and remedy the situation: 1. Limit Indexed Locations: - Open the Indexing Options in Control Panel and review the indexed locations. You can exclude certain folders or drives from being indexed to reduce the load on your C drive. Focus on indexing only the most essential folders containing important information. 2. Modify Indexing Settings: - Adjust the indexing settings to be more specific. You can configure the indexing service to exclude file types that you don't need to be indexed or limit the depth of the indexing. 3. Limit File Size and Types: - Exclude large file types from indexing. Files like system backup images, virtual machine disk files, and other large file types can quickly consume disk space during indexing. 4. Regular Maintenance: - Keep your system clean by removing unnecessary files regularly. Clearing temporary files, disk cleanup, and removing unneeded applications can free up disk space and improve overall system performance. 5. Watch Disk Space: - Monitor your disk space usage regularly to prevent it from filling up unexpectedly. This way, you can take action before your disk space becomes critical. 6. Scheduled Indexing: - Consider setting a specific schedule for indexing, preferably during off-peak hours, to avoid interference with normal usage. 7. Rebuild Index: - If you continue to experience issues, you can try rebuilding the search index. Go to Indexing Options and select the Advanced button. In the Index Settings tab, click the Rebuild button to recreate the search index. 8. Check for Updates: - Ensure that your Windows system is up to date. Microsoft often releases updates that address indexing and search-related issues. By controlling what gets indexed and how the indexing process is managed, you can prevent your C drive from filling up during search operations. These adjustments should help you optimize the indexing process and prevent excessive disk space usage.