If you are experiencing visual glitches or corrupted file errors, clearing the cache is a common troubleshooting step.
The term 2021cache typically refers to this folder: lumion202442download 2021cache
Default location:
C:\Users\[YourUsername]\Documents\Lumion 2021\Cache
or sometimes in:
C:\ProgramData\Lumion 2021\Cache
(Note: ProgramData is hidden by default.) If you are experiencing visual glitches or corrupted
| Error Message | Likely Cause | Solution |
|---------------|--------------|----------|
| “Cannot create cache folder. Check disk space.” | Old 2021 cache corrupted or read-only. | Delete Lumion 2021\Cache. Run Lumion 2024 as Admin. |
| “Library items missing – loading from backup cache” | Lumion 2024 is trying to read 2021 cache headers. | Clear %TEMP% files. Then wipe Documents\Lumion 2021\. |
| “Out of memory during cache conversion” | 2021 cache too large (>100GB) with many 4K textures. | Reduce cache size in 2021 before upgrading, or delete it. |
| “MSVCP140.dll missing” during cache load | Visual C++ runtime conflict. | Repair VC++ 2015-2022 redistributable. | The term 2021cache typically refers to this folder:
Instead of chasing old cache files, optimize new cache:
If you are experiencing visual glitches or corrupted file errors, clearing the cache is a common troubleshooting step.
The term 2021cache typically refers to this folder:
Default location:
C:\Users\[YourUsername]\Documents\Lumion 2021\Cache
or sometimes in:
C:\ProgramData\Lumion 2021\Cache
(Note: ProgramData is hidden by default.)
| Error Message | Likely Cause | Solution |
|---------------|--------------|----------|
| “Cannot create cache folder. Check disk space.” | Old 2021 cache corrupted or read-only. | Delete Lumion 2021\Cache. Run Lumion 2024 as Admin. |
| “Library items missing – loading from backup cache” | Lumion 2024 is trying to read 2021 cache headers. | Clear %TEMP% files. Then wipe Documents\Lumion 2021\. |
| “Out of memory during cache conversion” | 2021 cache too large (>100GB) with many 4K textures. | Reduce cache size in 2021 before upgrading, or delete it. |
| “MSVCP140.dll missing” during cache load | Visual C++ runtime conflict. | Repair VC++ 2015-2022 redistributable. |
Instead of chasing old cache files, optimize new cache: