UpSlide is slowing down Office Loading Times

If you observe a delay in Office applications loading, it is often caused by the AntiVirus Software.

Fig.1: Excel stuck at loading stage


To solve this issue, three exceptions needs to be added in your AntiVirus configuration:

  • C:\ProgramData\UpSlide
  • C:\Users\%USERNAME%\AppData\Roaming\UpSlide
  • C:\Users\%USERNAME%\AppData\Local\assembly


If UpSlide is still slow after adding theses 3 exceptions please contact us at


Note: this behavior is caused by VSTO inner workings (see for details)



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