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Temp Files and Caches Explained

Temp files are intermediate files from running programs; caches speed up future reads. They are usually rebuildable; deleting them may slow the next launch or regenerate them, but does not lose documents.

更新 2026-10-31 · 公式可核验

Common types

Installer temp files, logs and crash dumps.

Shader cache, thumbnail cache and browser cache.

Cost of deleting

First launch is slower and thumbnails regenerate.

Files in use may not delete; skipping them is fine.

FAQ

Does a big cache slow things down?

Not necessarily; caches usually speed reads, only abnormal growth needs cleanup.

Will cleanup log me out?

This script does not touch browser profiles, so no.

Sources

Related calculators

PC Cleanup Script GeneratorChoose temp files, shader cache, thumbnails or Recycle Bin to generate a previewable .bat cleanup script.

More guides

Which PC Cleanup Is Safe?Read guide